Comparing Quantities
Which pairs of quantities cannot be compared using a ratio?
4 cm : 24 m
9 ft : 30 lbs
9 ft : 30 lbs
Joseph bought some stickers. The number of star stickers was 8/15 of the number of ice cream stickers. What is the ratio of ice cream stickers to total stickers?
15:23
The ratio of dogs to cats at a shelter is 7:4.
If there are 56 dogs, how many cats are there?
32 cats
In a parking lot, if the ratio of cars to trucks is 18:7, how many times the number of cars is the number of trucks?
7/18
A class has 12 boys and 18 girls.
Which ratio compares girls to total students?
A) 12:30
B) 18:30
C) 30:18
D) 18:12
B) 18 : 30
If the ratio of apple stickers to banana stickers is 8:15,and there are 30 banana stickers, how many apple stickers are there?
16 apple stickers
The ratio of adults to children on a field trip is 9:14.
If there are 68 children, how many adults are there?
44 adults
A painter mixes 2 qt of white paint with 11 qt of black paint to make grey paint. He needs 52 qt of paint to paint the outside of a building. How many quarts of each color should he mix to make 52 qt of grey paint?
8 qt of white paint and 44 qt of black paint
Maya mixes 3 cups of juice with 6 cups of water.
Which mixture below has the same ratio of juice to water?
A) 2 cups juice : 3 cups water
B) 1 cup juice : 3 cups water
C) 4 cups juice : 8 cups water
D) 3 cups juice : 9 cups water
C) 4 cups juice : 8 cups water
If the ratio of butterfly to star to dog stickers is 4:7:3, How many dog stickers would there be if there were 63 star stickers?
27 dog stickers
The ratio of blue paint to white paint in a mixture is 5L:3L.
If the total amount of paint is 32 liters, how many liters of white paint are used?
12 liters of white paint
A juice stand mixes orange and apple juice in a ratio of 5:3. They want 64 liters of total juice.
How many liters of each juice are needed?
40L of orange juice and 24L of apple juice
A basketball team made 24 baskets in 4 games. Another team made 30 baskets in 5 games.
Which team had the higher baskets per game ratio?
A) First team
B) Second team
C) Both the same
D) Can’t tell
C) Both the same
If the ratio of star stickers to flower stickers is 2:1, then how many star stickers are there if there is a total of 36 stickers?
24 star stickers
Each model car kit uses 2/3 of a foot of red wire to 1/4 of a foot of blue wire.
If you have 3 feet of blue wire, how much red wire do you need?
8 feet of red wire
A fruit basket contains apples and oranges in a ratio of 7:5. There are 84 apples. how many oranges are there?
If 20 more oranges are added, what is the new ratio of apples to oranges in simplest form?
60 oranges
New ratio = 84:80 → simplified = 21:20
A bakery sells cookies and muffins. On Monday, they sold 60 cookies and 40 muffins. On Tuesday, they sold 84 cookies and 70 muffins.
Which statement is true about the ratio of cookies to muffins on both days?
A) The ratio was larger on Monday.
B) The ratio was larger on Tuesday.
C) The ratio was the same on both days.
D) There’s not enough information.
A) The ratio was larger on Monday
( 60:40 = 3:2 = 1.5, while 84:70 = 6:5 = 1.2 )
The ratio of heart to chocolate to candy stickers is 9:5:8. If there are 20 chocolate stickers, how many stickers would there be in all?
There would be 88 stickers in all.
A recipe uses 7/2 cups of sugar for every 3/4 cups of butter.
If a baker wants to use 9 cups of butter, how much sugar should they use?
42 cups of sugar
The ratio of trumpets to drums in a school band is 4:3. If there are 28 trumpets.
If 7 drums are broken, what is the new ratio of trumpets to drums in simplest form?
2:1