If a car averages #50 1/3# miles per hour, how many hours will it take to go #47 1/2# miles?
1 Answer
Dec 15, 2016
Explanation:
The first thing you need to do is to decide what operation you need to do. 'Miles per hour' indicates a speed and 'miles' indicates a distance. The question is 'How many hours?' which means you are trying to find a time:
So you need to divide two fractions.
- change to improper fractions
- multiply by the reciprocal of the second fraction
- cancel where possible and simplify.
=
=
=
As a decimal this gives
Which is about