Description
Vincent can sand a deck in 120 minutes. Carlos can sand the same deck in 95 minutes.
Approximately how long would it take to sand the deck if Vincent and Carlos worked together?
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Explanation & Answer
Vincent does 1/120 = 0.00833work in 1minute
Carlos does 1/95= .010526 work in 1 minute
Both do .01886 work in 1minute
Full work will be done in 1/0.01886 =53.02 minutes
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