Question

What is 10% of 26.8?

Answer 1

10% of 26.8 =

= 10% * 26.8

= 10/100 * 26.8

= 1/10 * 26.8

= 0.10 * 26.8

= 2.68

Answer 2

$p\%=\dfrac{p}{100}\\\\10\%=\dfrac{10}{100}=\dfrac{1}{10}=0.1\\\\10\%\ of\ 26.8\to0.1\cdot26.8=2.68\\\\Answer:\boxed{2.68}$

Other methods:

(1)

$\begin{array}{cccc}100\%&-&26.8&\text{divide by 10}\\10\%&-&2.68\end{array}$

(2)

$\begin{array}{cccc}100\%&-&26.8\\10\%&-&x\end{array}\qquad\text{cross multiply}\\\\100x=(10)(26.8)\\\\100x=268\qquad\text{divide both sides by 100}\\\\x=\dfrac{268}{100}\\\\\boxed{x=2.68}$