# How do you find 60% of 210?

Apr 12, 2018

$\frac{60}{100} \cdot 210 = 126$

#### Explanation:

x% of z = x/100 * z
$= \textcolor{b l u e}{\frac{x z}{100}}$

Apr 25, 2018

$126$

#### Explanation:

Write the maths exactly as it sounds,

A percent is a value out of $100$

Find 60%"" of $210$
$\textcolor{w h i t e}{\times x} \downarrow \text{ "darr} \downarrow$
$\text{ "60/100" } \times 210$

$= 126$

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
You can do this mentally by realising that 60% = 50%+10%

50% xx 210 = 1/2 xx 210 = 105

10% xx 210 = 210div 10 = 21

$105 + 21 = 126$