SOLUTION: A takes 45 seconds to do 1 lap. B runs the opposite direction and meets A every 25 seconds. How long does it take for B to do 1 lap?
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Question 971433: A takes 45 seconds to do 1 lap. B runs the opposite direction and meets A every 25 seconds. How long does it take for B to do 1 lap?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
In sec, A has run of a lap
That means B, going in the opposite direction, has
run of a lap.
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So, B's rate is of a lap in sec
B does 1 lap in 56.25 sec
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check:
eror due to rounding off
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