SOLUTION: It takes Mang kaloy 3 hours to plow his ricefield with his new tractor. Using the old tractor, it takes him 5 hours. If his son helped him plow the field, how long will it take the
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-> SOLUTION: It takes Mang kaloy 3 hours to plow his ricefield with his new tractor. Using the old tractor, it takes him 5 hours. If his son helped him plow the field, how long will it take the
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Question 396116: It takes Mang kaloy 3 hours to plow his ricefield with his new tractor. Using the old tractor, it takes him 5 hours. If his son helped him plow the field, how long will it take them to plow the ricefield using both tractors? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! The new tractor does 1/3 of the field per hour.
The old one does 1/5 per hour.
Together, the do 1/3 + 1/5 per hour.
Can you finish it?