Standards 6.EE.2, 6.EE.5, 6.EE.6 & 6.EE.7
Name: _________________________________________
1. Jack runs 5 laps around the school track. Then Kelly joins him, and they run some laps together.
a. Define a variable for the number of laps Jack and Kelly run together. Us the variable to
write an expression for the total number of laps Jack runs.
b. Jack and Kelly ran 12 laps together. Us your expression from part “a” to find the total
number of laps Jack ran. Write the equation that you used to solve this.
c. If Jack ran a total of 26.8 laps (including the first 5), how many laps did Jack and Kelly run
together. Write an equation and solve for the variable.
2. The table shows the cost for different amounts of grapes.
Grapes (lbs.)
3
4
5
Cost ($)
9
12
15
a. Write an expression to represent the cost of p pounds of grapes.
b. Marty wants to buy 6 pounds of grapes. He has $20. Does he have enough money?
Explain.
c. If Charles spent $28.50 on grapes, how many pounds did he purchase? Write an
equation and solve for p, the number of pounds.
3. A gym has an enrollment fee of $80. There is also a $25 fee per month of membership.
a. Write an expression to represent the total cost of m months of membership.
b. Caryn wants to get into shape for an upcoming backpacking trip. She will work out in
the gym for 6 months. How much would the gym cost for 6 months?