A and B can complete the same work
individually in a and b days, if they work
together and complete the work in
Select one:
a. ab/ab
b. a+b/ab
c. None
Answers
Answered by
0
Answer:
answer is the b option your answer
Answered by
0
Answer:
A does the work in 'a' days
Therefore, A's total work = 1/a
B does the work in 'b' days
Therefore, B's total work = 1/b
If they do the work together,
total work = 1/a + 1/b
= a + b/ab
A and B together do the work in ab/a+b days
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