7 men and 5 women can earn Rs. 2730 in 6 days and 8 men and 9 women can earn Rs. 2448 in 4 days. In what time will 5 men and 12 women together earn Rs. 3927 ?
7 men and 5 women can earn Rs. 2730 in 6 days and 8 men and 9 women can earn Rs. 2448 in 4 days. In what time will 5 men and 12 women together earn Rs. 3927 ?
A). 6 days
B). 7 days
C). 8 days
D). 9 days
1 answers
Answered by
Guest on
2021-07-10 10:16:00 | Votes
0 |
#
7 days
Let the daily earning of a man and that of woman be x and y. 7x + 5y = 2730 ÷ 6 = 455 ..... (I) 8x + 9y = 2448 ÷ 4 = 612 .....(II) (I) x 9 -(II) x 5 63x + 45y = 4095 40x + 45y = 3060 23x
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