A loaded truck travels 14 km in 25 minutes. If the speed remains the same, how far can it travel in 5 hours?
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Solution
Let the distance travelled by the truck in 5 hours be x km.
We know, 1 hour = 60 minutes
∴ 5 hours = (5 × 60) minutes = 300 minutes
The given information in the form of a table is as follows.
Distance travelled (in km) | 14 | x |
Time (in min) | 25 | 300 |
The distance travelled by the truck and the time taken by the truck are directly proportional to each other. Therefore,
`14/25 =x/300`
`x = (14xx300)/25 = 168`
Hence, the distance travelled by the truck is 168 km.
Concept: Concept of Direct Proportion
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