SOLUTION: A boy leaves on a bicycle trip at the rate of 8 mph. One hour later the father, realizing that his son forgot his camping gear, sets out by car. How fast must the father drive to o

Question 131964: A boy leaves on a bicycle trip at the rate of 8 mph. One hour later the father, realizing that his son forgot his camping gear, sets out by car. How fast must the father drive to overtake the boy in 15 minutes?
Answer by rapaljer(4671) (Show Source): You can put this solution on YOUR website!
Let x=speed of father
Distance of boy = rt =8(1.25)
Distance of father = rt = x(.25)

Distance = Distance
8(1.25)=.25x
10=.25x

Multiply both sides by 4:
40=4(.25x)
40 = x

Final answer = 40 mph

R^2
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