Question

Postal carrier can deliver 130 houses and 2.5 hour. At this rate how many hours will it take to deliver 312 at houses

Answer 1

First, you much find out how many houses are deliverd in 1 hour.

130/2.5=52

So 52 houses are delivered in 1 hour. Now, divide that by 312.

312/52=6

It would take 6 hours to deliver 312 houses.