Challenging Ratio Tables

What is C?

• 80

• 24

• 96

• 92

To disinfect 1 quart of stream water to make it drinkable, you need to add 2 tablets of iodine. How many tablets do you need to disinfect 4 quarts?

• 4 tablets

• 5 tablets

• 6 tablets

• 8 tablets

Luz earns $400 for 40 hours of work. Use a ratio table to determine how much she earns for 6 hours of work.

• $60.00

• $20.00

• $40.00

• $10.00

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Use the ratio table to answer the following question: At Hank's donuts, the ratio of 12 donuts would cost $3. How many donuts could you get with $9?

• 8 donuts

• 36 donuts

• 24 donuts

• 10 donuts

Using that same ratio, how much decaf coffee would they have if they had 32 regular?

• 8

• 48

• 4

• 16

Determine whether the ratios are equivalent.

• yes

• no

• maybe

In a diner, the ratio of regular coffee to decaf coffee is 2:3, as shown in the ratio table above. Using the table, how much regular coffee would the diner have if they have 12 decaf? (value A)

• 8

• 12

• 4

• 16

Lastly, how many oz of yellow paint will you need for 42 oz of red paint?

• 15 oz

• 30 oz

• 70 oz

• 11 oz

Kevin is mixing paint to make orange. The ratio of red paint to yellow paint is 3 oz to 5 oz. How much yellow paint should he mix with 9 oz of red paint?

• 15 oz

• 30 oz

• 45 oz

• 11 oz