Question #645c4

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Answer 1 · 2017-02-08T05:32:21

The number is $15$ .

Consider the number as $x$ .

$x xx120/100=18$

Multiply both sides by $100/120$ .

$x=18xx100/120$

$x=18xx(10cancel0)/(12cancel0)$

$x=18xx(5cancel10)/(6cancel12)$

$x=3cancel18xx10/(1cancel6)$

$x=3xx5$

$x=15$