Answer:
25% off
Step-by-step explanation:
In order to calculate the percentage of sale we need to divide the new sale price by the original price. Once we do this we subtract this number from 1 in order to get the discount amount in decimal form. Finally, we multiply this decimal by 100 to get the final discount percentage. Like so...
90 / 120 = 0.75
1 - 0.75 = 0.25
0.25 * 100 = 25%
Finally, we can see that the percent of discount for these shoes that Quinton bought were 25% off.
