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$2x is shared among 3 persons, A,B,C in the ratio 3:2:5 if B gets $45, find the value of x.
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$2x is shared among 3 persons, A,B,C in the ratio 3:2:5 if B gets $45, find the value of x.

User Alexander Fadeev
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A:B:C=3:2:5\\\\3+2+5=10\\\\2(2x:10)=45\\\\2x:5=45\\\\(2)/(5)x=45\ \ \ \ \ /\cdot(5)/(2)\\\\\boxed{x=112.5}
User Juanmeanwhile
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