SOLUTION: it takes mang kaloy 3 hrs to plow his ricefield with his new tractor. using the old tractor it takes him 5 hrs. if his son helped him plow the ricefield how long will it take the
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-> SOLUTION: it takes mang kaloy 3 hrs to plow his ricefield with his new tractor. using the old tractor it takes him 5 hrs. if his son helped him plow the ricefield how long will it take the
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Question 397946: it takes mang kaloy 3 hrs to plow his ricefield with his new tractor. using the old tractor it takes him 5 hrs. if his son helped him plow the ricefield how long will it take them to plow the ricefield using both tractors Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! it takes mang kaloy 3 hrs to plow his ricefield with his new tractor.
using the old tractor it takes him 5 hrs.
if his son helped him plow the ricefield how long will it take them to plow the ricefield using both tractors
:
Let t = time required working together
Let the completed job = 1 (a plowed rice field)
: + = 1
multiply thru by 15, results
3t + 5t = 15
8t = 15
t =
t = 1.875 hrs, or 1 + .875(60) = 1 hr 52.5 min
