Name:    Try It Out -- Chapter 8, Lesson 4

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.

1.

Estimate the solution to the equation 26 = 5x.
 a. 5 c. 5.2 b. 6 d. 5.8

2.

Select the best estimate to the equation 2x + 3.1 = 7.4.
 a. 2 c. 1.5 b. 2.1 d. 2.5

3.

Solve the equation 12 = m + 7.
 a. 5 b. 6 c. 19

4.

Solve the equation 4n + 3 = 12.6.
 a. 3.9 c. 62.4 b. 38.4 d. 2.4

5.

Solve the equation 17t - 8.5 = 44.2.
 a. 3.1 b. 2.1 c. 895.90

6.

Write an equation for the following situation.

When a number is tripled, and 12 is subtracted the result is 33.
 a. 2x -12 = 33 b. 3x + 12 = 33 c. 3x - 12 = 33

7.

Solve the equation from Question 6.
 a. 15 c. 17 b. 16 d. 14

8.

The perimeter of an equilateral triangle is 45 cm.
Write an equation, and solve it, to determine the length of one side of the triangle.
 a. 3x = 45 b. 15 cm

9.

The grad committee has raised \$1420 over the school year in fundraising activities.  They are planning on using the money to pay for the grad dinner and dance.  The music man costs \$250 for the evening.  The cost of the dinner is \$15/person.

Write an equation to represent the problem, where n represents the number of people who attend.
 a. n + 250 = 1420 b. 15n = 1420 c. 15n + 250 = 1420

10.

Solve the equation from Question 9 to determine the number of people that the grad committee can allow to attend the dinner and dance.
 a. 80 c. 78 b. 79 d. 77