SOLUTION: When a boy use toy to shovel to help his mother the driveway the job take 4 hours if the boy were alone it would take him 4 times longer than it would his mother ..how long would
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Question 1022734: When a boy use toy to shovel to help his mother the driveway the job take 4 hours if the boy were alone it would take him 4 times longer than it would his mother ..how long would it take the boy's mother to shovel the driveway alone ? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = the mother's rate of shoveling in
[ driveways ] / [ hr ] = the son's rate of shoveling in
[ driveways ] / [ hr ] = their rate shoveling together
[ 1 driveway ] / [ 4 hrs ]
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Add their rates of shoveling to get their rate
of shoveling together
It would take the mother 5 hrs to shovel alone
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check:
Her son would take 20 hrs shoveling alone
OK
