Name:    Try It Out -- Chapter 2, Lesson 4

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

1.

Select the term to complete the sentence.

A number sentence that shows two equivalent ratios is called a _______
 a. ratio b. rate c. scale factor d. proportion

2.

What is the missing term in the proportion?

1 : 2 : 3 = : 18 : 
 a. 17 and 19 b. 8 and 24 c. 9 and 27

3.

What is the missing term in the proportion?

 : 3 : 5 = 12 :  : 30
 a. 2 and 18 b. 72 and 18 c. 2 and 16

4.

There are 40 students attending the summer camp.  The ratio of boys to girls is 3 : 2.  How many boys and girls are at the camp?

To solve this question using a proportion, what is the scale factor?
 a. 7 b. 8 c. 20

5.

Select the proportion that is used to solve the problem stated in Question 4.
 a. 3 : 2 = 21 : 14 b. 3 : 2 = 24 : 16 c. 3 : 2 =  : 40

6.

Given the problem as stated in Question 4, how many boys and girls are attending the camp?
 a. 24 boys, 16 girls b. 16 boys; 24 girls c. 21 boys, 14 girls

7.

In a popular snack mix, the ratio of pretzels to peanuts to cheese sticks is 8 : 5 : 1 by mass.  If I have 64 g of pretzels, how many grams of peanuts and cheese sticks do I need to make the snack mix?
 a. 320 g peanuts, 64 g cheese sticks b. 8 g peanuts, 40 g cheese sticks c. 40 g peanuts, 8 g cheese sticks

8.

In the problem stated in Question 7, how much snack mix is made?
 a. 64 g b. 102 g c. 112 g

9.

Tyler and Kyle bought a ticket for a fundraising event at their school.  The prize is \$120.00.  Tyler contributed \$2.50 and Kyle contributed \$0.50 to the price of the ticket.  If they win the prize they will share the money in the same proportion that they paid for the ticket.  How much money will each person receive?