439 Answered Questions for the topic Pre-Algebra

Pre Algebra

11/09/18

Megan bought shoes for 20% off of the original price of $24.99. She then has to pay 7% sales tax on the sale price. What will be the final price she has to pay for the shoes?
Megan bought shoes for 20% off of the original price of $24.99. She then has to pay 7% sales tax on the sale price. What will be the final price she has to pay for the shoes?
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Pre Algebra Mathematics

10/31/18

How many chickens did she have in the beginnning?
Mrs. Anderson had twice as many chickens as ducks. She sold 272 chickens and 16 ducks. She then had half as many chickens as ducks. How many chickens did she have in the beginning?
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Pre Algebra

10/26/18

The product of two numbers is 30. If one of the numbers is 611, what is the other number?
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Pre Algebra

10/24/18

How many beads does Elaine have?
Rachel, Elaine, and Connie have a total of 58 beads. Rachael and Elaine have a total of 34 beads. Elaine and Connie have a total of 42 beads. How many beads does Elaine have?
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Pre Algebra

10/23/18

3 (3w−4) = −20 please help
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Pre Algebra

10/21/18

JUMP ROPE You exercise for 3 /4 of an hour. You jump rope for 1 / 3 of that time. What fraction of the hour do you spend jumping rope?
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Pre Algebra

10/17/18

Nico had 312 yards of fabric. He used 23 yard to make a pillow cover and 13 yard to make a scarf. How much fabric does Nico have left?
Im personally really bad at these "how much does she/he have remaining" please help me!!
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Pre Algebra

10/15/18

My gas tank holds 18 gallons of gas, it is 3/8 full. Gas per gallon costs $2.80. How much money will it take to fill my gas tank?
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Pre Algebra

10/12/18

what is 2 and half percent of 25
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Pre Algebra Word Problems

10/12/18

How to find tables that can seat six people
There are 15 tables in Brown House Cafe. Some of these tables can seat six people, and the rest can only sit four people. If a maximum of 76 people can be seated in Brown House Cafe, how many... more
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Pre Algebra

10/08/18

525​% of what number of gallons is 15.75 ​gallons?
math homework
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Pre Algebra

10/04/18

is N less than 5
a student wrote the variable expression n -5 for the word phrase n less than 5. explain the students error
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Pre Algebra

09/25/18

A father is 5 more than 8 times his daughter’s age. If the father is 29 years old, how old is his daughter?
Questioning on how to figure this one out?
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Pre Algebra

09/17/18

If 21 is 84% of a number what is 100%
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Pre Algebra

08/21/18

how many games does the president schedule
Five new students join the Chess Club. The club president schedules games so that each of the new members plays a game against each of the other new members. How many games does the president... more
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Pre Algebra

06/06/18

simplify 5k^2(-6k^2-2k+6)
I just need this simplified ASAP Answer choices are: A.) -30k^3 + 3k^2+30k B.) 30k^4 - 10k^3+11k^2 C.) -k^4 +3k^3 + 11k^2 D.) -30k^4 - 10k^3 +30k^2
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Pre Algebra

05/10/18

Graph the equation. Tell whether the equation is a function. y= - 4x and y= 2x+3
They are 2 separate equations. I honestly can not remember how to do this! Please help ASAP.
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Pre Algebra

05/10/18

A $400 bond earns 2% simple annual interest. After how many years will it earn $72 in interest?
I need help with another question. Please help me out ASAP.
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Pre Algebra

05/10/18

You can choose one of 5 action photos, one of 3 group photos, and one of 6 individual photos. How many different groups of 3 photos can you choose?
I need help answering this word problem. Can someone please help me ASAP. 
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Pre Algebra

05/08/18

Which graph represents a system of equations with no solution? mc001-1.jpg mc001-2.jpg mc001-3.jpg
i don't know 
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Pre Algebra

05/01/18

prealberbra
a cell phone data package from provider x is based on a monthly fee of 30$ plus $0.10 per minute of internet use. Provider y charges $15 each month for their data package, plus $0.15 per minute of... more
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Pre Algebra Math Math Help

04/19/18

is o.4 over 0.8 a rational or irrational number?
0.4 ___   0.8  
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Pre Algebra

04/09/18

Find an equation with a solution of x=−5 of multiplicity 1, and a solution of x=3 of multiplicity 2. Write your answer in standard form.
im having a hard time putting inot standard form.
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04/09/18

how do you find the slope of two parallel lines?
line a: (-5,2), (-4,-1) line b: (-2,1), (-1,-2)
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Pre Algebra

04/09/18

One pole is 40 ft high and the other is 15 ft high. If the poles are 40 feet apart, how long is the wire.
I need to find how long the wire is.
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