1.Sally is invited by her friends to join them for pizza and a movie.Sally only has five dollars.Her share of the pizza will be three dollars and the movie costs four dollars.Sally really wants to see the movie, so she decides to go to the movies.

a.

b.

2.Ted has been looking forward to camping in the mountains with his friend Billy since last summer.His friend Nick asks him to join him at the beach the same weekend.Ted decides to go to the beach.

a.

b.

3.Several weeks ago, Nancy agreed to baby-sit Mrs. Adams' daughter on Saturday, so that Mr. and Mrs. Adams could attend an award dinner.Mrs. Adams will pay her $7.00 an hour.Nancy is saving for a new CD player.Nancy has been hoping that Jay would ask her out sometime.Yesterday he finally asked her out...on Saturday night.Nancy accepted Jay's invitation and cancelled on Mrs. Adams.

a.

b.

4.Kelly has a big Math test on Thursday.She is really struggling in her math class.All of her friends are going to the basketball game tonight and Kelly decides to go along with them.

a.

b.

5.Cassy is hoping to go to college, but her grades are not very good. She also wants some money to buy new clothes.She decides to take a job three days a week after school and on the weekends.

a.

b.

6.Tommy is an excellent shortstop and wants to play on the recreation league baseball team.Tommy will need to come to practice every Wednesday afternoon.He is being tutored in science on Wednesdays, and that is the only day that Mrs. Gallis has free to tutor him.Mom leaves the decision up to Tommy, and he decides to play baseball.

a.

b.

7.Mrs. Prince has $50 and she goes to Macy's. They have a dress on sale for $45 and a pair of shoes on sale for $48. The shoes were originally $150, so she buys them.

a.

b.

8.Bill Gates sees a hundred-dollar bill on the sidewalk on his way to work.In order to stop and pick it up he would have to be 30 seconds later to work.

The value of the 30 seconds at work is the _______________________________ of him picking up the money.For Mr. Gates the benefit of __________________________________ is greater than the $100.Who might value the $100 more?____________________________________________________