Question

plz solve this I know the answer i want solution

Answer 1

A
2/3 work == 12 days
1/3 work == 6 days
1 work == 18 days
B:
1/6 work == 4 days
1 work == 24 days.

A in 1 day does== 1/18 part of work
B in 1 day does== 1/24 part of work
In 1 day they together do: 1/18 + 1/24 = 4+3/72 = 7/72 work
1 day=== 7/72 work
X days === 1 work
7X/72 = 1
X = 72/7 or 10 2/7 days.
Hope it helps.