Question

Suppose that 17 inches of wire costs 85 cents. At the same rate, how much (in cents) will 13 inches of wire cost?

Answer 1

65 cents

`85 / 17`

85/17 =5

so for 1 inch of wire is 5 cents but we want to know for 13 inches

so times 5 by 13

5cents*13=65cents