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Inequality

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Question

Two people set off by car on a rally and take the same route which is $25$ miles long. If $A$ drives at an average speed of $50$ miles per hour and $B$ at an average speed of $60$ miles per hour, how much longer in minutes will it take $A$ to cover the course than it takes $B$ ?

A

5

minutes

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B

6

minutes

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C

8

minutes

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D

10

minutes

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Solution

The correct option is D $5$ minutes
use the formula of time=distance/speed.

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