Day 2 Answer Key

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Ratios Day 2
Presentation Problems
1. The ratio of cats to dogs at Four-Legged Friends Pet Store is 8:7. If Four-Legged
Friends has 48 cats, how many dogs does it have?
Cats
6
6
6
6
6
6
6
Dogs
6
6
6
6
6
6
6
6
= 48
= ? (42)
8 units = 48
48 ÷ 8 = 6
1 unit = 6
7 units of 6
7 • 6 = 42
Four-Legged Friends has 42 dogs.
Milk It! How many animals are there altogether?
2. The ratio of sunny days to cloudy days in Lawsville, Colorado is 9:2. In a given time
period, if there are 108 sunny days, how many cloudy days would you expect?
Sunny Days
Cloudy Days
12
12
12
12
12
12
12
12
12
12
12
= 108
9 units = 108
108 ÷ 9 = 12
1 unit = 12
= ? (24)
2 units of 12
Lawsville would have 24 cloudy days.
2 • 12 = 24
Milk It! What percent of the days are sunny?
3. Phineas has both country music and rock music on his iPod. The ratio of country
music to rock music is 5:4. If Phineas has 205 country songs on his iPod, how many
rock songs are on his iPod?
Country Songs
41
41
41
41
Rock Songs
41
41
41
41
41
= 205
= ? (164)
5 units = 205
205 ÷ 5 = 41
1 unit = 41
4 units of 41
Phineas has 164 rock songs on his iPod.
Milk It! What percent of his songs are rock?
4 • 41 = 164
Ratios Day 2
Assessment Problems
1. The ratio of a rectangle’s length to its width is 4:3. If the length of the rectangle is
44 inches, what is the rectangle’s width?
Length
11
11
11
Width
11
11
11
11
= 44
= ? (33)
4 units = 44
44 ÷ 4 = 11
1 unit = 11
3 units of 11
The rectangle’s width is 33 inches.
3 • 11 = 33
2. At the Fruit Stand, the ratio of red apples to green apples is 2:3. If the Fruit Stand
has 57 green apples, how many red apples does it have?
Red apples
19
19
Green apples
19
19
= ? (38)
19
= 57
3 units = 57
57 ÷ 3 = 19
1 unit = 19
2 units of 19
2 • 19 = 38
The Fruit Stand has 38 red apples.
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