A and b together can do a piece of work in 10 days. a alone can do the piece of work in 12 days. how many days will b take to do the work pls attach a picture to show your working. i am doing math exercises for my exam, and i cant get the answer to this question. thank you
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Answered by
1
Answer:
60 days
Step-by-step explanation:
A's and B's 1 day work =1/10
A's 1 day work=1/12
B's 1 day work=1/10-1/12
(6-5)/60
1/60
B will take 60 days to complete the work
TRICK= 10×12/12-10
120/2
60 DAYS
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Answered by
1
Step-by-step explanation:
i hope bro it helps. In case,you don't get it I'm solving that here also.
A and B both do the same work of piece together in 10 days. if "a" can also do that in 12 days then number of days taken by "B"to do that
Work which "A" can do in 1 day=1/12. And, total number of days they take to compete the work together is 10. And, we have to find out how many days does b take :
1/12+b=10
b=10-1/12
b=9
so, Brother number of days which b will take to complete the se work is 9
Hope it helps you
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