It takes Engineer Kweku three hours to drive to his brother’s house at an average speed of 50 miles per hour. If He takes the same route home, but his average speed is 60 miles per hour, what is the time, in hours, that it takes him to drive home?

It takes 2 hours 30 minutes for him to drive home.

Step-by-step explanation:

case 1 :

Distance = Speed time

⇒ 50  3

⇒ 150 miles

∴ Distance = 150 miles.

case 2 :

Time taken = Distance / speed

⇒ 150 / 60

⇒ 2.5 hours (2 and 1/2 hours)

⇒ 2 hours 30 minutes.

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step-by-step explanation:

bull

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