Asked by sam

Bill can mow his mother's lawn in 45 minutes. His brother Jim can mow it in 65 minutes. How long will it
take them to do it together, if each has his own lawnmower? (Record your answer in minutes rounded to one
decimal place. For example, if the answer you find is 14.2835 minutes, record 14.3)
Answered by bobpursley

in 45 minutes, they both can do 1 + 45/65 lawns, or 110/65 lawns in 45 minutes



time=numberlawns/rate= 1awn/(110/65 lawns/45min)

time=65*45/110 minutes
Answered by Kathy
so 26.6 is the answer?
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