Answer :
28 = 7 % of X
28 = 0.07 of X
28 = 0.07x
28/0.07 = 0.07x/0.07
400 = X
$28.00 is 7 percent of 400 dollars.
28 = 0.07 of X
28 = 0.07x
28/0.07 = 0.07x/0.07
400 = X
$28.00 is 7 percent of 400 dollars.