Asked by Mary

Ted and Ben took part in the same race. When Ted finnished the race in 25 min., Ben had only run 5/8 of the distance. Ben's average speed was 75m/min SLOWER than Ted's. What is Ted's average running speed?
Speed=Ditance/time
Answered by Reiny
Ted's speed : x m/min
Ben's speed : (x-75)m/min

in 25 minutes:
Ted's distance = 25x
Ben's distance = 25(x-75)

but 25(x-75) = (5/8)(25x)
.
.
.
x = 200
Answered by ccc
34cvdft55
Answered by Kingsley
X=200
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