How long did he take?

Question

Nickola swam at a rate of 22 ​km/hr and ran at a rate of 11 km/hr for a total distance traveled of 68.5km. If he completed the race in 9.5 hours, how long did he take to complete each part of the​ race?

Answer 1

Let S = time swimming and R = time running

S + R = 9.5

22S + 11R = 68.5

The solution to this set does not make sense physically.

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