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At 6 PM, Renee and Eva begin cycling up a 10 kilometre slope [#permalink]
09 Oct 2006, 04:47
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At 6 PM, Renee and Eva begin cycling up a 10 kilometre slope at different but constant speeds. On reaching the top of the slope, each turns around and cycles down to the bottom of the slope at a constant speed that is twice the speed at which she ascended. How far apart will the two girls be when Renee reaches the bottom of the slope?
(1) When Renee has cycled 14 kilometres, she cycles by Eva.
(2) Renee reaches the top of the slope 40 minutes before Eva does.
Last edited by kevincan on 09 Oct 2006, 09:30, edited 1 time in total.