1) Which problem situation matches the equation below?

x—6.48 = 3.52a. Raj ran 6.48 kilometers on Monday. He ran

3.52 kilometers less on Tuesday. What is x, the number of kilometers Raj ran on both days?

b. Judy’s lunch cost $6.48. The cashier gave her $3.52 in change. What is x, the amount of money Judy gave the cashier?

c. Homer lost 6.48 pounds the first month that he began healthier eating. The second month he lost 3.52 pounds. What is x, Homer’s average weight loss?

d. Elise bought a DVD for $3.52 that had been marked down from $6.48. What is x, the percent of discount?

2) The equation c = 75 + 55h is used to calculate

the total cost, c, of a car repair requiring h hours

of labor. What will be the cost of a car repair that

requires 4 hours of labor?

a. $130

b. $295

c. $355

d. $520

3) Which problem situation matches the equation

below?

x—1.75 = 8.25

a. Cesar ran 8.25 miles in 1.75 hours, and x

represents his seed in miles per hour.

b. Sam paid $1.75 for a book that was originally

priced at $8.25, and x represents the amount

that was saved.

c. Mark hiked 8.25 miles on Saturday. If he

hiked 1.75 miles after lunch, then x represents

how far he hiked before lunch.

d. X represents the amount give to the cashier

when Juan paid his bill. His lunch cost $1.75

and his change was $8.25.

4) Alvin makes $6.25 per hour working at a

restaurant. In one week, he received $112 in tips

plus his hourly pay. If h represents the number of

hours that Alvin worked that week, which

equation expresses earnings of $375 for the week?

a. 6.25 + 112h = 375

b. 6.25h + 112 = 375

c. (6.25+ h) + 112 = 375

5) Which problem situation matches the equation

below?

2+ 0.50x = 20

a. A phone company charges $2 for the first

minute and $0.50 for each additional minute.

How many minutes could be used for $20?

6) Which situation is best represented by the

equation x—4 = 16?

a. Miranda picked 16 apples and ate 14 of them.

What is x, the number of apples she had left?

b. Felipe ran 16 minutes and walked for 4

minutes. What is x, the difference between