Ratios - Quiz

1. Donald’s Donuts makes both chocolate and plain glazed donuts. Each Saturday, they make 13 plain glazed donuts for every 7 chocolate glazed donuts. What is the ratio of chocolate glazed to plain glazed?

2. If the pattern below was tripled, what would be the ratio of black squares to gray squares?

3. Copy Central prints grayscale and colored copies. Yesterday, they printed 9 grayscale copies for every 2 colored copies. If they printed 20 color copies, how many grayscale copies were printed?

4. At a local daycare, there is a ratio of 2 caretakers for every 7 children. If there are 189 total children, then how many people are at the daycare facility?

5. Determine if the ratios are equivalent: 12:16 and 72:96

• Equivalent
• Not Equivalent

6. Determine if the ratios are equivalent: 20:14 and 80:56

• Equivalent
• Not Equivalent

7. A large community college has professors and lecturers. The total number of faculty members is 136. The school reported that they have 6 professors for every 11 lecturers. How many professors does the community college employ?

8. To make a cleaning solution, George mixes 3 cups of water to 4 drops of cleaner. Which table best represents the ratio of the cleaning solution?

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9. The table below shows the number of children, c, to each childcare worker, w. Based on the information in the table, which of the following statements is NOT correct?

• A. The ratio of children to childcare workers is 4:1.
• B. If there were 32 children, then there would be 8 childcare workers.
• C. If there were 5 childcare workers, then there would be 20 children.
• D. The ratio of childcare workers to children is 4:1.

10. Two assembly lines are working to produce medical supply kits. According to the ratio tables below, which statement is true after a cumulative 15 hours have passed?

• A. Assembly line A will produce 60 more kits than line B.
• B. Assembly line B will produce 147 more kits than line A.
• C. Assembly line B will produce 60 more kits than line A.