Question

If x% of 90 = 9 then the value of x----------​

Answer 1

Answer:

$x \div 100 \times 90 = 9 \\ x = 9 \times 10 \div 9 \\ therefore \: \: x = 10$

Answer 2

Answer:

x = 12

Step-by-step explanation:

$x\% \times 75 = 9 \\ \frac{x}{100} \times 75 = 9 \\ \frac{3x}{4} = 9 \\ 3x = 9 \times 4 \\ 3x = 36 \\ x = \frac{36}{3} \\ x = 12$