contestada

suppose that 24 inches of wire costs 96 cents. At the same rate, how much (in cents) will 18 inches of wire cost?

Respuesta :

It will cost $0.72 for 18 inches of wire.

24 / 96 = 0.04 for one inch of wire

0.04 * 18 = 0.72 for 18 inches of wire