Question

4 men and 5 women can complete a work in 15 days, whereas 9 men and 6 women can do it in 10 days. To complete
the same work in 7 days, how many women should assist 4 men?​

Answer 1

Answer:

which kind of proportion is this?

direct or indirect

Answer 2

Answer:

(4men + 5 women)15 = (9men +6women)10

12m+ 15w = 18m +12w

6m= 3w

1 women =2men

according to the given question,

assume X women

(4m +5w)15 =(4m + w X)7

60m +75w = 28m +7Xw

30w +75w= 14w+7Xw { 1w = 2m}

7Xw = 91w

x=13