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?
EQUATI
Algebra.Com
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
Thanks
-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
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