During a sale, an appliance that costs $275 is being sold at a discount for $220. Which equation can be used to find the rate of the discount, d, during the sale?

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What is the result of converting 60 ounces to pounds remember there are 16 ounces in a pound

Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax