18 is 20% of what number?
Hi there!18 is 20% of 90. Why, you may ask?To solve we just divide both sides by 0.2We would start off with 0.2x = 18.NOW divide.x = 90.We can check this by seeing that 20% of 90 is equal to 18.Hope this helps!
its 3.6 because you take 20%=20%/100% =0.220%=0.2multiply 0.2 by 18 0.2*18= 3.6 i hope this help you :)