8. what is the selling price of a $2,499 motorcycle if a $249 discount is given?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Ineed to know the answer to this algebra question.

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?