Question
A car starts from point A and travels at a speed of 40
miles per hour. After 1 hour, a second car starts from point A and travels in the same direction at a speed of 60 miles per hour. How long will it take for the second car to catch up to the first car?Solution
ATQ, The first car has a head start of 40 miles (40 miles/hour * 1 hour). The second car is gaining on the first car at a rate of 60 - 40 = 20 miles per hour. Time taken to cover 40 miles at a speed of 20 mph = 40/20 = 2 hours
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