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Bronson roared off on his motorcycle at 60 mph. He ran out of petrol, he pushed his motorcycle all the way back at 3 mph. If the entire trip took 21 hours how long did he push the motorcycle?
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Mar 13, 2018
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Bronson roared off on his motorcycle at 60 mph. He ran out of petrol, he pushed his motorcycle all the way back at 3 mph. If the entire trip took 21 hours how long did he push the motorcycle?
Mathematics
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Kannan Ramamoorthy
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let time traveled pushing motorcycle = t
distance traveled pushing motorcycle = distance traveled on motorcycle
⇒ 3 * t = 60 * (21-t)
⇒ 3t = 1260 - 60t
⇒ 63t = 1260
⇒ t = 1260/63
⇒ t = 20 hours
He pushed the motorcycle for
20 hours
Xysun
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Mar 18, 2018
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Xysun
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