Asked by JoAnne
mark can paint the fence in 40 minutes and manny can paint the fence in 30 minutes together how long will it take to paint the fence
Answers
Answered by
Kosy
mark does 1/40 of the job and manny does 1/30 of the job. Together:1/40+1/30=7/120 of the job in a minutes,time to do the entire job is 120/7=17mins approx
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