Question

what is 10% of 200?
\\(\frac{10}{100}=\frac{x}{200}\\)
x = ?

Explanation:

Step1: Cross - multiply the proportion

$10\times200 = 100\times x$

Step2: Solve for $x$

$x=\frac{10\times200}{100}$
$x = 20$

Answer:

20