SOLUTION: If Miguel can run 10 km in 15 minutes and Harry can run 10 km in 20 minutes, How many kilometers can they run in 5 minutes? Please help me to solve this. It's Rational Algebraic

Question 890295: If Miguel can run 10 km in 15 minutes and Harry can run 10 km in 20 minutes, How many kilometers can they run in 5 minutes?
Please help me to solve this. It's Rational Algebraic Expression.

Answer by rothauserc(4718) (Show Source): You can put this solution on YOUR website!
this is a rate times time = distance problem
let r1 be Miguel's rate, then
r1 * 15 = 10
r1 = 10/15 = 2/3 km per minute
let r2 be Harry's rate
r2 * 20 = 10
r2 = 10/20 = 1/2 km per minute
therefore
Miguel can run 2/3 * 5 = 3.33 km
Harry can run 1/2 * 5 = 2.5 km

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