Answer:
B
Explanation:
We have, 45% x x = 135
or, 45/100 x x = 135
Multiplying both sides by 100 and dividing both sides by 45, we have
x = 135 x 100/45
x = 300
If your using a calculator, simply enter 135 x 100 ÷ 45, which will give you the answer.
Hopes this helps have a great day :)