A and B working together complete a work in 35 days. If A takes 60 days to complete it, how long would B alone take to complete is?
a) 72 days
b) 64 days
c) 81 days
d) 84 days
Answers
Answered by
0
Answer:
84
Step-by-step explanation:
Correct answer is option D 84 days
Answered by
0
Answer:
: 84 days
Step-by-step explanation:
work done by (A+B) in 1 day = 1/35
work done by A in 1 day = 1/60
work done by B = work done by (A+B) - work done by A
= 1/35-1/60
= __12-7__= 5/420 =1/84
420
therefore, time taken by B alone to complete the work = 84 days..
hope it's helpful..
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