Question

A store puts everything on sale for 20% off. If the sales tax is 8%, what percent of the original marked price is the final cost including tax

Answer 1

86.4%

Step-by-step explanation:

the original marked price is m

then with a sales discount of 20%

the (pre-sales tax) sale price is 100%−20%=80% of

The post-sales tax price is the pre-sales tax price plus 8%,

that is the post-sales tax price is 108%=1.08 of the pre-sales tax price.

Therefore the final cost (i.e. the post-tax price) is