SOLUTION: if it takes 2hrs to wlk 15km, hw long does it take 2 walk 20km

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Question 590326: if it takes 2hrs to wlk 15km, hw long does it take 2 walk 20km
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2/15=x/20
15x=40
x=40/15
x=2.67 hrs
x=2 hrs 40 min