x%*120=36
x/100 *120=36
120x/100=36
120x=3600 /:120
x=30
⇒36 is 30% of 120
What you do is make a proportion
1. x/100=36/120
2. 100 x 1.2 = 120
3. 36÷1.2=30
Answer= 30%