Create a proportion using the form %/100 = is/of to represent the following word problem. Seven is what percent of 30?

%/100 = is / of

7 is what percent of 30
is = 7
of = 30
% = x

now sub into the formula

x/100 = 7/30
cross multiply
(30)(x) = (7)(100)
30x = 700
x = 700/30
x = 23 1/3% or 23.33%