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