According to the question,
(x+2y+3z)/100=1.5(x+y+z)/100
or
(x+2y+3z)/100 = (1.5x+1.5y+1.5z)/100
The denominator gets cancelled and so by simplifying we get,
0.5x=0.5y+1.5z
Dividing both sides by 0.5 we get,
x=y+3z
So the answer is A
GMAT Prep percentage problem
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Source: Beat The GMAT — Problem Solving |












