Olly plans to purchase a watch with an original price of $78. The
watch is discounted 15% and Olly has a 5% off coupon to apply.
How much will Olly pay for the shirt?
When adding up all the discounts, it is 20%. In order to figure out how much he has to pay, you do 78 times 0.80 (since you’re only paying 80% of the money for the shirt). This gets you 62.4 which is 62.40 in cash.