to convert fractions to percentages, we use this formula: x/y = z/100
where x is the fraction numerator, y is the fraction denominator, and z is the percentage
so plug the numbers in: x/12 = 88.2/100
cross multiply: 100x = 1058.4
divide each side by 100: x = 10.584
88.2% = 10.584/12
