SOLUTION: Jane can mow the lawn in 50mins. When she and her brother, mike work together they can finish in 30 mins How long does it take Mike when he works alone?
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Question 870960: Jane can mow the lawn in 50mins. When she and her brother, mike work together they can finish in 30 mins How long does it take Mike when he works alone? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Add their rates of working to get their rate
working together
Jane's rate:
( 1 lawn ) / ( 50 min )
Mike's rate:
( 1 lawn ) / ( t min )
Rate working together:
( 1 lawn ) / ( 30 min )
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Multiply both sides by
It takes Mike 1 hr 15 min working alone
