At a certain store silk scarves are sold at an everyday price of 20% off the normal list price...

[BTGmoderatorLU]

Source: Princeton Review

At a certain store silk scarves are sold at an everyday price of 20% off the normal list price. If the scarves are sold at a sales price of an additional 10% off the everyday price, the sales price is what percent of the normal list price?

A. 28%
B. 30%
C. 70%
D. 72%
E. 80%

The OA is D

[dollydevashryee]

Let the normal price = $100
Everyday price = $100 * .8 = $80
Extra 10% off everyday price = $80 * .9=$72
$72 is 72% of $100 -> D