Ratios and Proportions

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

• 3:5

• 3:2

• 2:5

Oliver measured a house and its lot and made a scale drawing. He used the scale 3 centimeters : 2 meters. In the drawing, the back patio is 42 centimeters long. What is the length of the actual patio in meters?

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

Select all ratios equivalent to 13:8.

• 11:7

• 36:12

• 8:13

• 117:72

• 130:80

If the ratio of cats to dogs is 3:4, how many cats are there if there are 20 dogs?

• 15 cats

• 25 cats

• 30 cats

• 10 cats

What number that makes the ratio equivalent to 20:40?

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

Find the unit rate. There are 60 apartments on 2 floors. That means there are [___] apartments per floor

Tony reads 69 books in 3 years. At this rate, how many books will he have read in 4 years?

Angie sells handmade bracelets at craft fairs. She bought 2 packs of charms. One pack has 150 small charms and 60 large charms. The other pack has the same ratio of small to large charms. The second pack has 50 small charms.

How many large charms are in the second pack?