Advertisement A: Take $20 off the regular price of $100. Buy before Friday to take 40% off the sale price.
If you buy the item before friday then the sale price will be:
![100-100\cdot0.4=100-40=60](https://img.qammunity.org/2023/formulas/mathematics/college/79zk1drdh1h47ams4pbqq8hqrwqdjyerpu.png)
Therefore, for advertisement A you will save $40.
Advertisement B: Take 40% off the regular price of $100. Use your coupon to take an additional $20 off the sale price.
If you buy the item using the coupon, then:
![100-0.4\cdot100-20=100-40-20=40](https://img.qammunity.org/2023/formulas/mathematics/college/xflxkyr3x202vjpg6sgm6p5z5zafjefzne.png)
The sale price will be $40, therefore, for advertisement B you will save $60.
Answer:
Advertisement B offers more savings