crybabySteph crybabySteph

09-06-2016
Mathematics

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It took John 12 hours riding his bike to make the round trip to his uncle's. If he averaged 20 mph out and 30 mph back, how long did he travel each way? (Round answer to nearest tenth.)

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BabyLetha BabyLetha

09-06-2016

Let d = dist traveled one way
Write a time equation;
time = dist/speed
d/20+d/30 = 12

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caseyjdishroon caseyjdishroon

09-06-2016

I belive it would be 7 hours going and 5 hours coming back

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