Answers

2014-11-04T21:15:47+05:30
X+18/25
=x+18*4/25*4
=x+72/100
=x+7.2

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2014-11-05T18:35:09+05:30
X+18/25
x+18*4/25*4
x+72/100
x+0.72 ⇒ ANSWER
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