Question

Lf 4 men and 2 women can do a job in 15 days and 5 men and 4 women can do the same job in 9 days, in how many days can 6 men do the job

Answer 1

let men=x women=y
(4x+2y=15)2. 8x+4y=30
5x+4y=9
by equating
3x=21
x=7
6x=6*7=42