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plshlpme
 3 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?
plshlpme
 3 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?

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

140986
 3 years ago
Best ResponseYou've already chosen the best response.0Jack 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

mrjoselson
 3 years ago
Best ResponseYou've already chosen the best response.11/5 not 1/6 but that way will work very well too

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

mrjoselson
 3 years ago
Best ResponseYou've already chosen the best response.1what is the answer plshlpme

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

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