SOLUTION: Elisa can complete a typing job in 6 hours. She was given a helper and together they finish the job in only 4 hours. How long would it take the helper had he worked alone?
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-> SOLUTION: Elisa can complete a typing job in 6 hours. She was given a helper and together they finish the job in only 4 hours. How long would it take the helper had he worked alone?
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Question 841564: Elisa can complete a typing job in 6 hours. She was given a helper and together they finish the job in only 4 hours. How long would it take the helper had he worked alone?
EQUATION: 4/6+4/t=1
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-Mark Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! Elisa can complete a typing job in 6 hours. She was given a helper and together they finish the job in only 4 hours. How long would it take the helper had he worked alone?
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1/6 + 1/t = 1/4
t = helper's time alone
