So 68 is their score out of 85 68/85 And her percent should be out of 100% So you would use cross multiplication 68/85 = x/100 ; let x represent her test score 68/85 = x/100 -> 68(100)= 85x 6800= 85x Divide by 85 on both sides 6800/85 = 85x/85 80=x so she score was 80%
