Question

Decrease $300$ by $30\%$.

Answer 1

Step 1: Finding $30\%$of $300$.

As per given statement, $300$ is to be decreased by $30\%$.

$$\begin{gathered} \Rightarrow 30\%\times 300 \\ \Rightarrow \frac{30}{100}\times 300=\frac{30\times 3\cancel{00}}{1\cancel{00}}=90 \end{gathered}$$

Hence, $90$ is to be reduced from $300$.

Step 2: Finding the new value after deceasing $30\%$ of it.

$\Rightarrow 300-90=210$

Hence, $210$ will be the value of $300$ after decreasing $30\%$.