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Direct and Inverse Proportions | Exercise 13.2

Question 17

Q9)  A car takes 2 hours to reach a destination by traveling at a speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?

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Solution:

Let the numbers of hours be x.

\therefore\frac{60}{80}=\frac{x}{2}

\Rightarrow\ x=\frac{60\times2}{80}

x=\frac{3}{2}

x=1\frac{1}{2}

The car will take 1\frac{1}{2}hours to reach the destination.

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Our top 5% students will be awarded a special scholarship to Lido.

subject-cta

Question 17

Q9)  A car takes 2 hours to reach a destination by traveling at a speed of 60 km/h. How long will it take when the car travels at the speed of 80 km/h?

Looking to do well in your science exam ? Learn from an expert tutor. Book a free class!

Solution:

Let the numbers of hours be x.

\therefore\frac{60}{80}=\frac{x}{2}

\Rightarrow\ x=\frac{60\times2}{80}

x=\frac{3}{2}

x=1\frac{1}{2}

The car will take 1\frac{1}{2}hours to reach the destination.

Our top 5% students will be awarded a special scholarship to Lido.

subject-cta
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