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2014-07-05T19:56:36+05:30
24/x + 40/y = 9         ----------1
18/x + 48/y = 9         ----------2
from 1&2
⇒24/x + 40/y = 18/x + 48/y
⇒24/x - 18/x = 48/y- 40/y
⇒6/x = 8/y
⇒ x = 3y/4

puting the value of x in 1
⇒24×4/3y + 40/y = 9
⇒32/y + 40/y = 9
⇒72/y = 9
⇒y = 8

we know
x = 3y/4
⇒x= 3×8/4
⇒x=6
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