Question

An electrician needs 2 1/2 rolls of electrical wire to wire each room in a house. How many rooms can he wire with 7 1/2 rolls of wire?

Write your answer as a fraction or as a whole or mixed number.

Answer 1

The electrician can wire 3 rooms.


Explanation:
Basically you just subtract 2 1/2 and 7 1/2 until you cannot subtract anymore. I subtracted 3 times so therefore my answer was three.