Question

A manufacturer buys materials at $10 for 4 and sells them at $20 for 5. How many must it sell in order to make a profit of $600?

Answer 1

Explanation:

The selections for this equation is 300 or 400 or 500 or 600

Answer 2

he would have to sell 20

Explanation:

10 divided by 4 = 2.5

20 divided by 5 = 4

4 - 2.5 = 1.5 (that is the profit the manufacturer makes)

600 divided by 20 = 30

30 divided by 1.5= 20