Homework Help: Math

Posted by Colton on Tuesday, May 10, 2011 at 9:25pm.

Tristan runs 5 kilometers in 45 minutes. His goal is to run the same distance in 40 mins by next year. How many kilometres per hour does he need to run next year to reach his goal?

Math - PsyDAG, Wednesday, May 11, 2011 at 1:14pm
5K in 40 minutes = 5K in 2/3 hour

5K * 3/2 = 7.5K per hour

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