Answers

2014-06-29T18:10:51+05:30
I can give answer only till some extent
let the nos be x and y
so x+y=500
now 12%x = 15%y
so, 72% x =90% y
so,
100%x +72%x+10%y=500
172%x+10%y =500
if you have any problem regarding this you can message me
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