Question

increase £248 by 30%

Answer 1

First find 30% of 248.

0.3 * 248 = 74.4

Now add it:

74.4 + 248 = 322.4

So our answer is £322.40

Answer 2

$p\%=\frac{p}{100}\\\\30\%=\frac{30}{100}=\frac{3}{10}=0.3\\\\30\%\ of\ \£248=0.3\cdot\£248=\£74.40\\\\increase\to\£248+\£74.40=\boxed{\£322.40}\leftarrow answer$