SOLUTION: if you drive to the beach at 50 mph and come back at 70 mph and the round trip was 6hrs what is the distance? thanks

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Question 514233: if you drive to the beach at 50 mph and come back at 70 mph and the round trip was 6hrs what is the distance? thanks
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
if you drive to the beach at 50 mph and come back at 70 mph and the round trip was 6hrs what is the distance?
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let x=distance in miles
Distance/speed=travel time
x/50+x/70=6
LCD:50*70
70x+50x=6*50*70
120x=21000
x=21000/120
x=175 mi
ans:
Distance to beach=175 mi