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Question

Megan and Sam together take 12 minutes to wash a car. Washing the car by herself took Megan 21 minutes. How long would it take Sam to wash the car?
13 years ago

Answers

Steve
1/both = 1/megan + 1/sam
1/12 = 1/21 + 1/s
s = 28
13 years ago
Jim Bonacci
I like chicken
12 years ago

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