Question

Answer of attachment fast​

Answer 1

Heya mate!!

Let the percent be x

Then

$x\% \: of \: 150 = 30$

$\frac{x}{100} \times 150 = 30$

$\frac{x}{10} \times 15 = 30$

$x = 30 \times 10 \div 15$

$x = 20\%$

Hope it helps you dear✌️✌️

Answer 2

$let \: the \: percent \: be \: x \\ then \\ x\% \: of \: 150 = 30 \\ \frac{x}{100} \times 150 = 30 \\ \frac{x}{10} \times 15 = 30 \\ x = 30 \times \frac{10}{15} x = 20\%$

hope it will help ❣️