439 Answered Questions for the topic Pre-Algebra

Pre Algebra

02/11/16

How to solve?
Evaluate 6ab when a=12 and b=7.
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Pre Algebra World Problems

02/10/16

pre-Algebra
A tank that was filled with 80 liters of water is leaking, losing 3 liters of water a day. Another tank that was filled with 60 liters of water on the same day is also leaking, losing 1 liter of... more
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Pre Algebra

02/06/16

After a round of golf, Keegan's score was 6 strokes more than twice Annmarie's score. If their combined score was 3, what was each player's score?
it's pre-algebra
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Pre Algebra Math Word Problem

01/27/16

find the total cost of 3 sweaters of $32 each and 2 shirts at $21 each
 What is the total cost?
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Pre Algebra

01/17/16

You are packing candles in a box. You can fit 12 candles in each box.
Put the story problem into a liner Equation   
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Pre Algebra

01/14/16

math help plz
-3(2x-1)+4x-7
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Pre Algebra

01/04/16

you and a friend are selling apples. you sell 8 fewer than you friend. you sell 42 all together. how many apples do you sell?
 ...
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Pre Algebra

12/16/15

“Joe opened a savings account with $500. He saves an additional $25 per month. How many months must he save to reach $5,000 in his savings account?”
“Joe opened a savings account with $500. He saves an additional $25 per month. How many months must he save to reach $5,000 in his savings account?”
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Pre Algebra

12/16/15

Write each phrase as a unit rate 628.8 miles in 12 hours
Unit rate for 628.8 miles in 12 hours
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Pre Algebra

12/07/15

3a (-3/2)x2a0b (-3/4)
It should contain only positive exponents with no fractional exponents in the denominator
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Pre Algebra

12/03/15

What is n-6<-14 and other questions
I need help doing that question and some other questions
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Pre Algebra

11/30/15

A rectangular lot has length (2x^2+10) feet and width of (x^2+2x+2) feet.
A rectangular lot has length (2x^2+10) feet and width of (x^2+2x+2) feet. what is its perimeter?
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Pre Algebra

11/30/15

a scientist has two solutions: Solution A contains 60%salt and solution B is 90% salt. she wants to obtain
a scientist has two solutions: Solution A contains 60%salt and solution B is 90% salt. she wants to obtain 120 onces of a mixture that is 80% salt. How many ounces of each solution should she use?
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Pre Algebra

11/23/15

Twice a number, added to seven, is the same as three subtracted from some number.
Twice a number, added to seven, is the same as three subtracted from some number. what is the number?
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Pre Algebra

11/22/15

if an item cost D dollars and is discounted by 12%, what is the discounted price?
if an item cost D dollars and is discounted by 12%, what is the discounted price?
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Pre Algebra

10/17/15

how do i factor out the coefficient of the variable ex. 2b+8
i dont understand this. . . 
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Pre Algebra

10/15/15

293 guests at convention, guests are centipedes and millipedes, centipedes have 14 legs, millipedes have 16 legs, total 4408 legs at convention, how many are ce
293 guests at convention, guests are centipedes and millipedes, centipedes have 14 legs, millipedes have 16 legs, total 4408 legs at convention, how many are centipedes, how many are... more
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Pre Algebra

10/07/15

how would I write this problem in an equation?
how would I write this problem in an equation.   A family of 4 goes to the movie theater and spends $30.50. They buy 2 tickets for children at $3.50 per ticket, 2 adult tickets, 3 boxes of... more
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Pre Algebra

09/24/15

The distance from the earth to the moon is 22^4 miles. The distance from Earth to Neptune is 22^7. Which distance is the greater distance how much greater is it
I need help immediatley 
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Pre Algebra

09/19/15

Haley deposited $400 she made from helping out with chores. If Haley's bank account started out with a balance of $200, what was the final balance?
i cant find the answer
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Pre Algebra

08/28/15

How to evaluate and compare multiplication rules for square roots
Please explain how to solve : checkmark 4/25 and checkmark 4/checkmark25
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Pre Algebra Math Algebra

06/01/15

how to make and solve stem and leaf plots
I need to know how to make and solve a stem and leaf plot, to prepare for a test.
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Pre Algebra

05/15/15

do we swap the numbers around if the fraction is negative?
the question is (8/27)-1/3 how do I simplify this?
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Pre Algebra

05/13/15

What is the total cost of marks hotel? what is the cost of Marks rental car?
Mark is staying at the Sheraton La Jolla in San Diego for 5 nights and he wants to know the total cost of his stay. The cost of the hotel is $271.50 per night. There is a $15 resort fee per night... more
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Pre Algebra

05/13/15

Lena's penny bank is 7/10 full. After she removes 200 pennies, it is 1/2 full. How many pennies can Lena's bank hold?
I do not know to find the answers to word promblems
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