A can do a piece of work in 20 days and B in 30 days they work together for 3 days and then B leaves. In how many days will A finish the remaining work?
Answers
Answered by
3
Step-by-step explanation:
a=20
b=30
a and b work is 60
a can complete 3 work in a day
b can complete 2 work in a day
a+b=5
5*3=15
60-15=45
45/3=15
a complete the remaning work in 15 days
Answered by
0
Answer:
Step-by-step explanation:
A & B together can complete work in (20x30)/(20+30) =600/50 = 100/12 days.
They complete 3 x 12/100
= 12/30 work in 3 days.
Remaining 18/30 work done by B in 18/30 x 20 = 12 days.
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