Ex. 11. 2 men and 3 boys can do a piece of work in 10 days while 3.men and 2 home
can do the same work in 8 days. In how many days can 2 men and 1 boy do the work?
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Step-by-step explanation:
let number of boys be x
let number of men be y
therefore
2y+3x=10....(1)
3y+2x=8....(2)
multiply 3 in equation (1)&2in equation (2)
6y+9x=30
6y+4x=16
subtract both
and equate
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