Math Problems

Here are some more math problems to try!

1) 5 boxes of crayons and 3 packs of pencils cost $10.75. 3 boxes of crayons and 5 packs of pencils cost $11.25. How much is 1 box of crayons? How much is 1 pack of pencils?

2) 3x + 9 = -15. Solve for x.

3) simplify 3(4 + 3)²

4) 20 is 25% of what number?

5) y + 2y - 4 = 17. Solve for y.

Answers
1) 1 box of crayons is $1.25 and 1 pack of pencils is $1.50.
2) x = -8
3) 147
4) 80
5) y = 7