03/01/16

Help with a word problem (ratios)?
On my Yahoo email account, for every 20 emails I receive, 4 are spam. I only look at 2 out of every 17 spam emails that I receive. If I looked at 10 spam emails last month, how many total emails... more
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03/01/16

modeling with equations
Helen earns $7.50 an hour at her job, but if she works more than 35 hours in a week, she is paid 1 1/2 times her regular salary for the overtime hours worked. One week her gross pay was $296.25.... more
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03/01/16

Velma made rice crispy treats in a 9*13*2.5 inch cake pan. How many 2 in by 1/2 in by 3 in crispy treats can be cut from the pan
Please show me  to do it and answer. The in means inches
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03/01/16

A worker has metal alloy that is 30% copper and another hour if that is 55%how many kilograms of each alloy should the metal worker combine to create 6kg of 45
 The metal worker should use ___amount of kilograms of the metal alloy and 30% copper and ___kilograms of the metal alloy that is 55% copper 
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02/29/16

word problems
In driving from city A to city B you pass through city C. It is 50 miles farther from city A to city C than from city C to city B. If it is 320 miles from city A to city B, how far is it from city... more
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02/29/16

Algebra 2 word problem
Only need a quick answer thanks!   I put a 3 meter by 4 meter rug in the middle of my living room, and noticed that covered exactly half the area.  If the strip of visible floor is the same width... more
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02/29/16

COMMISSION
DAVID WANTS TO EARN $1200THIS SUMMERBY SELLING PET SUPPLIES. HE WILL WORK FOR 6 WEEKS AT $80 PER WEEK, ANF RECEIVE A 20% COMISSION ON ALL SALES OVER $1000. WHAT MUST HIS TOTAL SALES BE FOR THE SUMMER? more
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02/29/16

Julius sold five times as many computers as Sam sold last year. In total, they sold seventy-eight computers. How many computers did Julius sell?
I need an equation and answer please 
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02/28/16

percent solution
50 ounces of a 10% solution is added to 30 ounces of a 40% solution what is the percentage of the mix
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02/27/16

If the second ship sails directly from the harbour to the first ship, how far must the second ship sail? Make sure to round your answer to the nearest tenth
A ship leaves a harbour and travels west for 50 km. The ship then sails 52.4 km in a direction of E25°N, at which point it has engine trouble. A second ship is dispatched from the harbour to... more
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02/27/16

Choose the yearly rainfall averages in scientific notation.
Location Amount of Rainfall Scientific Notation, in metersNeedles, California 0.1173 m Mt. Waialeale, Hawai'i 11.4 m Puako, Hawai’i 25.6 cm Death Valley, California 57 mm Mojave, California 160 mm... more
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02/26/16

Right lung 1.5 pounds left lung 1.25 pounds find difference in grams.
For an average adult, the weight of a right lung is greater than the weight of a left lung. If the right lung weighs 1.5 pounds and the left lung weighs 1.25 pounds, find the difference in grams.
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02/25/16

Two cyclists leave towns 120km apart at the same time and travel toward each other. One cyclist travels 6 /kmh faster than the other. If they meet in 3 h
Two cyclists leave towns 120km apart at the same time and travel toward each other. One cyclist travels 6/kmh faster than the other. If they meet in 3 hours, what is the rate of each cyclist?
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02/24/16

How many 15 cent stamps are in the drawer?
a drawer contains 15 cent stamps and 18 cent stamps. The number of 15 cent stamps is four less than three times the number of 18 cent stamps. The total value of all the stamps is $1.29. How many 15... more
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02/24/16

The volume of industrial production increased ten times. What was the increase in percents?
This is a hard math problem.
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02/23/16

How many gummy bears of each color are in the bin after your purchase?
A bin at a candy store contains 1800 gummy bears. The bin only contains three colors, red,green,and yellow with 65% being red and 15% being green. You walk into the stroe and purchase only red... more
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02/22/16

Stretch Your Thinking
The directions for lemonade say to put 2 cups of the liquid concentrate into 1 gallon of water. If Olivia only wants to make 1 pint of lemonade, how many fluid ounces of concentrate should she use?... more
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02/22/16

chemistry- word problem
Determine the mass in grams of 4.12×1024 molecules of C2H4(OH)2
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02/22/16

if a taxi cost .40 every 1/7 mile and the distances is 60 miles how much would it cost
 if a taxi cost .40 every 1/7 mile and the distances is 60 miles how much would it cost
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02/22/16

this is a two part question (look below)
7) If the speed of light is 3 x 108  meters/second, how many seconds does it take light to reach the Earth, if the sun is 1.5 x 1011 meters form Earth? Write the answer in scientific... more
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02/22/16

This is a two part question (look below)
1) The bedroom of our house is 1,200 cubic meters. We know that there are 3.4 x 109 particles of dust per cubic meter. Write how many particles of dust are present in the bedroom of our house.... more
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02/21/16

Ms. Meyer is filling planter boxes with soil. She has soil that is 33% sand, and she buys 10 pounds of a commercial plotting soil that is 15% sand.
She mixes some of her soil with the 10 pounds of commerical plotting soil. The resulting soil mixture is 18% sand. How many pounds of her soil did Ms. Meyer use?
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02/21/16

Math problem
Benny bought 9 kg (apple + banana) for 960 dollars. how many kg apples did he buy if 1 kg apple = 80 dollars and 1 kg bananas = 140 dollars? Answer: 5 kg apple and 4 kg bananas but I want the solution more
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02/21/16

Math problem
One canned juice drink is 20% orange juice; another is 5% orange juice. How many liters of each should by mixed together in order to get 15L that is 11% orange juice
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02/19/16

At CMC Steel a large batch of ½ inch rebar
 At CMC Steel a large batch of ½ inch rebar was inspected for defects. Within a batch of 10,000 rebar made, 500 were selected at random and tested. If 10 were found to have inclusions in the... more
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