Question. Todd bought a pair of jeans that cost $125 at full price. The jeans were on sale for 20% off. He then applied a coupon that took off $10. He paid with a store credit card that gave him another 10% off the remaining amount. How many dollars did he save on the original price of the jeans?
Answer. 44
What step-by-step reasoning justifies that answer?
Reasoning: The jeans were on sale for 20% = 20 / 100 = 1 / 5 off, so the sale took 125 / 5 = $25 off. Thus, after the sale, the jeans cost $125 - $25 = $100. Todd’s coupon lowered the price to $100 - $10 = $90. The store credit card gave him 10% = 10 / 100 = 1 / 10 off, so the card took $90 / 10 = $9 off. Thus, he paid $90 - $9 = $81 for the jeans. Therefore, Todd saved $125 - $81 = $44 on the original price of the jeans.