Ratio

To extend a ratio or create an equivalent ratio, you must multiply or divide by the same number on both sides.

• True

• False

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

A soup that serves 16 people calls for 4 cups of chicken broth. How many cups of chicken broth would you need to make an identical recipe that serves 8 people?

*Use a ratio table to find the answer*

• 1 cup

• 4 cups

• 2 cups

• 6 cups

Are 8 : 12 and 4 : 6 equivalent?

• Yes

• No

Solve for B in the table.

• B= 40

• B= 10

• B= 9

• B= 45

Are 6 : 9 and 24 : 32 equivalent?

• Yes

• No

Select all ratios equivalent to 13:8.

• 11:7

• 36:12

• 8:13

• 117:72

• 130:80

Determine values for a, b, and c that satisfy the following ratio table.

10:11

50:55

60:a

b:88

c:99

• a = 65

  b = 76

  c = 87

• a = 110

  b = 220

  c = 440

• a = 66

  b = 80

  c = 90

• a = 66

  b = 77

  c = 88

• a = 11

  b = 11

  c = 11

What is the ratio of triangles to all shapes? Select ALL that apply.

• 3:5

• 3:2

• 2:5

Rosanne's Pizzeria made 39 pizzas. 33 of the pizzas had thin crust and the rest had thick crust. What is the ratio of the number of thick-crust pizzas to the total number of pizzas?

• 33:39

• 6:33

• 6:39

• 39:33

• 12:33