A refrigorator is on sale for 20% off the original price. A store-wide sale results in an additional reduction of 25%. What is the total discount based on the original price?

Carolyn won a $450 gift card, and she wants to spend it at the store where she works. Normally, she gets a 10% employee discount, but in one week, her store will be having an "Employee Appreciation Day" during which a 25% employee discount will apply. If, as an employee, she does not have to pay sales tax, how much more worth of merchandise (in terms of price before discount) will she be able to purchase by holding out to that day (nearest cent, if applicable)?

The following is a partial menu at Moonbucks Coffee.

Today, Moonbucks is running a special - buy one drink and get one of equal or lesser value free.

Charles is buying drinks for his family. He orders three lattes, two cappucinos, two espressos, and a Turkish coffee. How much will he pay for the drinks, disregarding tax?

Wally has a $500 gift card that he wants to spend at the store where he works. He gets a 25% employee discount, and the sales tax rate is 6.45%. How much can Wally spend before the discount and tax using only his gift card? (Round to the nearest cent.)

Vanessa purchased an mp3 player, originally priced at $290, but discounted by $27. Approximately what percent discount did Vanessa receive on the mp3 player? 

The following is a partial menu at Moonbucks Coffee:

Jim is allowed to use his 20% employee discount on up to four drinks per day. Assuming he has not used the discount yet today, Jim wants to purchase three Americanos, a Turkish coffee, and a latte. After the discount, what will the drinks cost him? (Disregard tax).

The above is the menu at Monorail Sandwich Shop. 

Kyle works at Monorail and is therefore allowed to buy up to four sandwiches and four sodas a day with his 25% employee discount. If he buys more than the allowed number with any one purchase, he can take 25% off the four highest-priced sandwiches and the four highest-priced sodas.

Kyle is buying three turkey sandwiches, three ham sandwiches, and six large sodas. If this is Kyle's first purchase of the day, how much will he pay, disregarding tax?

A restaurant owner allows employees to purchase meals for 28% off list price.  An employee purchases a meal with a list price of $16.50.  What does she pay for the meal?

A clothing store offers a dress initally at $100. Then one week later, the store offers the dress at 15% off. The dress still doesn't sell, so after another week, the store reduces its new price by 20%. How much does the dress cost now?

Julie has a choice between purchasing a hat at Stacy's or purchasing an identical hat at Gumble's. The hat at Stacy's costs $350. The hat at Gumble's normally costs $425, but it is on sale at 20% off. The sales tax is 7.5% for both stores. At which store can Julie get the hat cheaper, and how much will she save?