SOLUTION: taylor and caitlyn are sisters. Taylor drove to the beach at 40mph. Caitlyn left the house at the same time but drove 69mph. When caitlyn arrived at the beach, taylor had 30 miles
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Question 503749: taylor and caitlyn are sisters. Taylor drove to the beach at 40mph. Caitlyn left the house at the same time but drove 69mph. When caitlyn arrived at the beach, taylor had 30 miles left to drive. How far is their house from the beach? Answer by lwsshak3(11628) (Show Source):
You can put this solution on YOUR website! taylor and caitlyn are sisters. Taylor drove to the beach at 40mph. Caitlyn left the house at the same time but drove 69mph. When caitlyn arrived at the beach, taylor had 30 miles left to drive. How far is their house from the beach?
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let x= miles from house to beach
travel time=distance/speed
caitlyn's travel time=x/69
Distance=speed*travel time
Distance Taylor covered during this time=40(x/69)
x=40(x/69)+30
69x=40x+2070
29x=2070
x=71.38 mi
ans:
miles from house to beach=71.38
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