A can finish a work in 14 days at 6 hrs a day. B can finish it in 8 days at 2 hrs a day. Find in how many days they can finish it working together 4 hrs a day?
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1
the answer is 3.36 days
the explanation is very complicated.
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Answer:PLEASE MARK ME AS BRAINLIST
A can complete the work in = 14 x 6= 84 hours.
B can complete the work in = 8 x2= 16 hours.
So working together both can finish the work in =( 84 x 16)/(84+16)
= 84 x 16/100 hours.
If they work for 4- hours a day the work will be completed in = (84 x 18) ÷ (100 x 4) = 3.36 days.
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