• 11. Think About the Process Auditions for the next school play took place on Wednesday, Thursday, and Friday. Only 12 students can be in the play. Each day, t students tried out. The number of students who tried out but did not get a role is 60.

• a. Which diagram and equation represent the problem?

• A.

• B.

• C.

• b. Solve the equation to find the number of students who tried out on Thursday.

• 12. Think About the Process The volume of the prism shown is 896 cm3.

• a. Write an equation for the volume V of the prism.

• A. V = 7 + 8 + x + 5

• B. V = (7)(8)(x + 5)

• C. V = (7)(7)(x + 5)

• D. V = (7)(8)(x − 5)

• b. Solve the equation to find the value of x.

• c. The height of the prism is cm.

• 13. Challenge In 6 months, a shopkeeper spends \$10,590 for rent, electricity, and water. Each month, he spends \$1,500 for rent and \$230 for electricity. How much does he spend for water each month?

• a. Write an addition equation to model the problem.

• b. Solve the equation.

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