# Ratios And Proportions Quiz Worksheet

Quiz Review: Ratios and Proportions
1. COPY and complete the table and answer the question on your paper.
Cups of chocolate chips (x)
2
3
5
54
216
a. What is the constant of proportionality for the amount of chocolate chips to number of
2. Use the graph to complete the questions.
a) Is the number of boys proportional to the number
of girls?
b) If there is a proportional relationship, what is the
constant of proportionality?
Number of boys
3. Walmart is selling a pack of 15 pens for \$8.89. Shopko has the same brand of pens that is an 8
pack for \$4.90. Which is the better buy? How do you know?
4. A class has 45 students. The ratio of girls to boys is 2:7. How many girls are in the class?
5. The following table shows the amount of chocolate, in pounds and the price paid.
Chocolate in pounds (x)
2
3
4
Cost in dollars (y)
9
13.50
18
a) Is the amount of chocolate proportional to the cost paid?
b) If it is proportional, what is the constant of proportionality?