Question

Simplify the following 40% of x=12

Answer 1

sol=40%ofx=12
40/100×x=12
40x=12×100
40x=1200
x=1200÷40
x=30
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Answer 2

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$x - 40 \: ofx = 12$

$x - \frac{40}{100}x \: = 12$

$\frac{x}{1} - \frac{2x}{5} \: = 12$

$\frac{5x - 2x}{5} \: = 12$

$5x - 2x = 12 \times 5$

$3x = 12 \times 5$

$x = \frac{12 \times 5}{3} = 20$

$x = 20$