Asked by Anonymous
If it takes Mary 45 minutes to basic cleaning of her house, and it takes her daughter 65 minutes to do the same basic cleaning, then how many minutes will it take for them to clean together?
Can I please get help with ho to set the equation up?
Can I please get help with ho to set the equation up?
Answers
Answered by
Henry
T = t1*t2/(t1+t2) = 45*65/(45+65) =
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