X can do a piece of work in 40 days. he works at it for 8 days and then y finished it in 16 days. how long will they together take to complete the work? select one:
a. 20 days
b. 26 days
c. 15 days
d. 13 1/3 days
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The effeciency of X is 1 unit per day
While the effeciency of Y is 2 units per day
So the combined effeciency is 3 units per day
They both complete the work in 13 1/3 days
While the effeciency of Y is 2 units per day
So the combined effeciency is 3 units per day
They both complete the work in 13 1/3 days
Answered by
1
Answer:
option d is crt ......... .....
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