Question

Adam and Harry are travelling from city X to city Y in their respective cars. Adam reaches city Y in 3 hours whereas Harry reaches 45 minutes after Adam. If the speed of Harry’s car is less than Adam’s car by 12 km/hr, find the speed of Adam’s car.

Answer 1

Answer:

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Answer 2

Answer:

60

Step-by-step explanation:

If the speed of Adam's car is x

km/hr, then the speed of Harry's car will be (x−12)

km/hr.

The distance travelled by both Adam and Harry is the same.

Adam travels 3x

kilometers, and Harry travels (3+45/60)(x−12)

kilometers.