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24 December, 19:49

Beth leaves her home on her bike, traveling down a long country road, at

the rate of 8 mph. Her brother, Brandon, left 15 minutes after Beth on his

golf cart along the same country road, traveling 12 mph. How long will it

take Brandon to catch up with Beth? it says the answer is 30 min how is that true?

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Answers (1)
  1. 24 December, 22:30
    0
    In this question, you are given Beth velocity (8mph) and Brandon velocity (12mph). To answer this question, you will need to find the initial distance of Beth and Brandon. The calculation would be:

    Initial distance = Beth velocity * duration = 8 mph * 15 minutes * hour/60 minutes = 2miles

    After that, the calculation would be:

    beth_velocity * time + initial distance = brandon_velocity * time

    8mph * time + 2 miles = 12 mph * time

    4mph * time = 2 miles

    time = 2 miles / 4 mph = 1/2 hour = 30 minutes
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