Question

4 men and 6 women can complete a work in 8 days ,while 3 men and 7 women can complete it in 10 days .In how many days will 10 women complete it?
a.35 days
b.40 days
c.45 days
d.50 days
please answer in detail

Answer 1

let m be men's one day effort and w be women's one day effort 4m +6y=1/8 , 3m/7y=1/10, 10y=1/?? =?? =1/10y ,12m +18y=3/8,12m+28y=4/10 =10y=4/10-3/8=10y=1/40. hence ??=40 days. its answer is 40 days

Answer 2

hey user here is your answer in the pic...
hope it helps you !!!!!!