Michelle bought five packs of crayons for $13.75. What is the cost of a pack of crayons, in dollars, if all the packs cost the same?

The depreciation per unit for a company

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules