Yuy 1. A 100-point test has x questions worth 2 points apiece and y questions worth 4 points apiece.

a. Write an equation that describes all possible numbers of questions that may be on the test.

b. If you have 24 questions worth 4 points apiece, how many questions will be worth 2 points apiece?

2. Louise has $36 in five-dollar bills and singles. How many of each type of bill does she have?

a. Write an equation.

b. If Louse has 2 five-dollar bills, how many singles does she have?

3. The Ramy family bought 4 sandwiches and 3 salads. They spent $24. Let x be the cost of a sandwich

and y be the cost of a salad.

a. Write an equation.

b. If each sandwich costs $3.75, how much did each salad cost?

4. The store at which Andy usually shops is having a sale. Roast beef costs $4 a pound and shrimp costs

$10 a pound.

a. Write an equation to describe different possible combinations of Roast beef and shrimp that he can

buy for $96.

b) What is the greatest amount of shrimp he can buy?

5. It will take 20 points to make the playoffs, the hockey team coach told the players. “We get 2 points

for a win and 1 point for a tie.” Let W be the number of wins and T the number of ties.

a. Write an equation to describe the values of W and T that will let the team make the playoffs.

b. If the team wins 7 games, how many tie games will need to occur?