SOLUTION: One adult and 10 children are in an elevator. If the adults weight is 4 times the average weight of the children, the the adults weight is what fraction of the total weight of the
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Question 1108230: One adult and 10 children are in an elevator. If the adults weight is 4 times the average weight of the children, the the adults weight is what fraction of the total weight of the 11 people in the elevator?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
One adult and 10 children are in an elevator. If the adults weight is 4 times the average weight of the children, the adult's weight is what fraction of the total weight of the 11 people in the elevator?
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Let the average wt. of each child be "c".
Wt of the one adult is 4c
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Total wt in the elevator is 10*c+4c = 14c
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Ans:: The adult's wt is 4c/14c = 2/7
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Cheers,
Stan H.
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