Question

Increase £490 by 11%
Give your answer rounded to 2 DP.

Answer 1

$Given \:number (m) = £ 490$

$Increase (g) = 11\%$

$\red{ Required \:number } \\= m\Big( \frac{(100+g)}{100} \Big)\\= 490\Big(\frac{100+11}{100}\Big)\\= 490 \times \frac{111}{100} \\= 490 \times 1.11 \\= £ 543.9$

Therefore.,

$\red{ Required \:number }\green { = £ 543.9}$

•••♪