Question

A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?

Answer 1

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Given that a loaded truck travels 14 km in 25 minutes. in 300 minutes, a loaded truck can travel 14*300/25 km, i.e., 168 km. Hence, that truck can travel 168 km in 5 hours. So distance covered in 5 hrs = 33.6 * 5 = 168 km.

Answer 2

Answer:

If two quantities increase or decrease together in such a manner that the ratio of their corresponding values remain constant, we say  that the two quantities vary  directly.

In other words x and y are said to vary directly if X/y = k , where k is a positive constant.

In direct Proportion

x/y= k

x=ky

So we can find value of k from known values, and then use the formula to calculate the unknown values.

When two quantities x and y are in direct proportion (or vary directly) they are also written as x∝y.

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Solution:

[Table is in the attachment]

Let distance travelled by the truck  in 5 hours be x km

1hour=60minutes

 5 hour=5× 60= 300minute

Here distance travelled by the truck  and time taken are in direct proportion.

14/25=x/300 

x×25=14×300 

x=14×300/25

x=168 km

Hence the distance travelled in 5 hours  by the truck is 168 km.

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Hope this will help you..

Step-by-step explanation:

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