Staples is having a sale, and all teachers get a 30% discount. Mrs. Burns needs dry erase markers that normally cost $15.00. What is the discount price?

Mr. Duchow bought a new chair that cost $60.00. What was the regular price?

Mrs. Fredekind isn’t sure what she wants. If the regular price of an item is d dollars, what is the discount price in dollars? (Hint: write an expression using d, for dollars.)