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Jack usually mows his lawn in 5 hrs, marilyn can mow the same yard in 4 hrs. How much time would it take for them to mow the lawn together?
 2 years ago
 2 years ago
Jack usually mows his lawn in 5 hrs, marilyn can mow the same yard in 4 hrs. How much time would it take for them to mow the lawn together?
 2 years ago
 2 years ago

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mrjoselsonBest ResponseYou've already chosen the best response.1
x/5 + x/4 = 1 20( x/5 +x/4=1) 4x+5x=20 9x=20 x=20/9 = 2.4444444444 hours
 2 years ago

140986Best ResponseYou've already chosen the best response.0
Jack will mow 1/4 per hour. Marilyn will mow 1/6 per hour. 1/4 + 1/6 = 3/12 + 2/12 = 5/12 Together they will mow 5/12 per hour. Total hours x mowed per hour = 1 Hours x 5/12 = 1 Hours = 1/(5/12) Hours = 2.4
 2 years ago

mrjoselsonBest ResponseYou've already chosen the best response.1
1/5 not 1/6 but that way will work very well too
 2 years ago

plshlpmeBest ResponseYou've already chosen the best response.0
BOTH OF YOU WERE WRONG BUT THANK YOU FOR YOUR EFFORTS
 2 years ago

mrjoselsonBest ResponseYou've already chosen the best response.1
what is the answer plshlpme
 2 years ago

mrjoselsonBest ResponseYou've already chosen the best response.1
which is 20/9. I just converted to a decimal instead of a mixed number, sorry
 2 years ago

plshlpmeBest ResponseYou've already chosen the best response.0
ITS OK! :) THANK YOU FOR TRYING.
 2 years ago
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