42 is what percent of 210

Question

math need help with this  one 

Answer 1

Lee;

 

The logical way to look at this is, realizing that percent means parts out of 100:
 
42 = (x/100)210
 
Solving for x:
x = 4200/210 = 20%

Answer 2

"Is" is =. "Of" means to multiply.

 

42 = 210p

p = 42/210 = 0.2 = 20%