2 men and 8 women can earn 713640 in 11 days. 6 men and 10 women can earn 713 800 in 15 days. In how many days will 10 men and 15 women earn 78700 ?
A). 5 days
B). 6 days
C). 7 days
D). 8 days
6 days
Let the daily earning of a man be x and that of a woman be y
12x + 8y = 13640/11 = 1240
∴ 3x + 2y = 310