439 Answered Questions for the topic Pre-Algebra

Pre Algebra

04/30/15

distance between two cities
the distances between cities a and b is 3006 miles less than the distance between c and d if the total mileage is 7824 what is the distance between c and d?
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Pre Algebra

04/22/15

There are a total of 30 blue and orange marbles in a box. If there are 14 more blue marbles than orange marbles, how many orange marbles are there
how to i get to the answer like explaining it i know it is 8
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Pre Algebra

04/15/15

A rectangular yard measuring 28ft by50ft is bordered by a fence. Inside, a walk that is 3ft wide goes all the way along the fence.Find the area of this walk.
need this anwserd now only have about 2 mins.
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Pre Algebra

04/13/15

percent interest
Lane French had a bad credit rating and went to a local cash center. He took out a $100.00 loan payable in two weeks at $111.50. What is the percent of interest paid on this loan
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Pre Algebra

04/13/15

the point (5,7) is reflected across the x-axis. what the new ordered pair
point is being reflected across the x-axis and i don't understand how it being reflected  
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Pre Algebra

03/31/15

john has twice as much money as peter ad peter has $60 more than james. if all three boys have a total of $600, how much does each boy have
solve the word problem algebraically
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Pre Algebra

03/30/15

algebra word problem
Keil is going to make 13 pounds of mixed nuts for a party. Peanuts cost $3.00 a pound and fancy nuts cost $6.00 per pound. If Keil can spend $63.00 on nuts, how many pounds of each should he buy?
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Pre Algebra

03/29/15

Please help me solve this word problem.
After 8 test, Sally's average in biology is 68. Her teacher said she could drop the two lowest test grades, which are the same. Her new average is 72. What were the grades of the two lowest?
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Pre Algebra

03/24/15

What are the outcomes favorable to event A?
You pick a whole number between 1 and 100. If A is the event that the number you picked is divisible by 3 and 7, what are the outcomes favorable to event A?
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03/19/15

It takes 8 painters 6hours to paint walls of a gym. How many person-hours does this require? How many hours will 12 painters take to paint the gym?
this problem makes no sense to me! Pls help!
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Pre Algebra

03/09/15

I need to write the point slope form of the equation of the line described.
Through: (4, 2), parallel to y=-3/4x-5
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Pre Algebra Math Math Problem

03/06/15

How do you turn a decimal or a fraction into a percent
I need help with math. It is ver confusing thank you
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Pre Algebra Math Math Problems

03/06/15

How do you turn a percent into a decimal
Please help I am really not good at math and I will have another question after this
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Pre Algebra

03/05/15

Two sides of a four-sided figure have negative slopes. Which are the endpoints of the sides of this figure?
 I need help in this question but i do not know how to picture it.
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Pre Algebra

03/03/15

how many car must he sell monthly to earn at least $4500?
a car slaes associate receives a monthly salary of $1700 a month plus $140 for every car he sells.
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03/02/15

7/8 times 8 8/9 equals
Please help me find the answer to this pre algebra problem. thanks, marie
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Pre Algebra

02/24/15

find the measures of the exterior angels of the polygon: 2r , 100 , 115 , (r + 25)
 its degrees and I know the sum is 360 but idk what to do from there
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Pre Algebra

02/23/15

what type of triangle is formed by the horizontal distance, the vertical height, and the length of the towrope
Can you please help me? I dont know none of these question they are asking me im totally confused.
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Pre Algebra

02/23/15

Volume of a cone: Exact answers in terms of pi
Find the volume of a cone with a base radius of 5yd and a height of 7yd. Write the exact volume in terms of pi, and be sure to include the correct unit in your answer.
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Pre Algebra

02/19/15

How do I solve this problem? Write and solve a proportion to complete the statment~3 oz = ? g
Please help me ASAP, thank you!
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Pre Algebra

02/19/15

How do I solve this problem? Write and solve a proportion to complete the statment~12.6 kg = ? pounds
Please help me ASAP, thank you!
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Pre Algebra

02/19/15

How do I solve this problem? Write and solve a proportion to complet the statment~42 inches = ? centimeters,
Please help me ASAP, thank you!
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Pre Algebra

02/18/15

tell whether the ratios form a proportion. 1/5 5/15. how do i solve this problem?
please help me ASAP
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Pre Algebra

02/08/15

Phil plans to drive from Napa to Claremonte, a 418 mile route. He drives 303 miles from Napa to Buttonwillow how many more miles does he have to drive
I have a pre algebra class in college, and I'm doing the homework but I don't understand miles so I would like to get the answer for this so I could understand it more. 
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Pre Algebra

02/05/15

Taylor is 2/3 as old as her cousin. The sum of their age is 45. How old are Taylor and her cousin
I don't have a description... its just a word problem  
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