Question

Select the best answer for the question. 17. 18 is what percent of 20? A. 10% B. 90% C. 18% D. 95%

Answer 1

the answer is b 90%                                                 

Answer 2

percent formula : is/of = %/100

18 is what percent of 20...
is = 18
of = 20
% = x

sub and solve
18/20 = x/100
cross multiply
(20)(x) = (100)(18)
20x = 1800
x = 1800/20
x = 90 <=== so 18 is 90% of 20