Answer:
Total cost of couch and lamp before tax =
![\$484](https://img.qammunity.org/2020/formulas/mathematics/middle-school/qhviey04k83184ckb5q6i5t9n4pw9pqu0m.png)
Explanation:
Given:
Original price of couch =$550
Sale price of couch = $449
Discount on couch =30%
∴ Discount offered =
![30\%\ of\ Original\ price=30\%\ of\ 550=0.3* 550=\$165](https://img.qammunity.org/2020/formulas/mathematics/middle-school/2146nrcncstl822j5w45y1kzqgm4ri94ls.png)
Price of couch after discount =
=
![550-165=\$385](https://img.qammunity.org/2020/formulas/mathematics/middle-school/40he6xwqjl90rff0hsvqe24tuhbjzjrezz.png)
Cost of lamp =$99
Total cost of couch and lamp =
![\$385+\$99=\$484](https://img.qammunity.org/2020/formulas/mathematics/middle-school/bstqd464etvzr32exp9x6kubt897o3kl5f.png)