Question

What percent is 22 out of 40 ?
A.40
B.44
C.45
D.55

Answer 1

Hint: To find the percent of x out of y , we can use the formula ${\displaystyle \frac{x}{y}}\ast 100$. Using the formula and simplifying we get the required percentage.

Complete step-by-step answer:
To find the percent of x out of y , we can use the formula
$\Rightarrow {\displaystyle \frac{x}{y}}\ast 100$
Here we are asked to find the percent of 22 out of 40
Applying the above formula we get,
$$\begin{gathered} \Rightarrow {\displaystyle \frac{22}{40}}\ast 100 \\ \Rightarrow 0.55\ast 100 \\ \Rightarrow 55\mathrm{\%} \end{gathered}$$
Hence 22 out of 40 is 55%

The correct option is D.

Note: Percentage is the result obtained by multiplying a quantity by a percent. So 10 percent of 50 apples is 5 apples i.e the 5 apples is the percentage.