Ratio Review

Ratio 1

100

There are 4 cats and 6 dogs.  Write a ratio of dogs to cats.  Simplify!

3:2

200

The ratio of teachers to students is 2:7.  If there are 182 students.  How many teachers are there?

52

300

The ratio of the number of days is rains to the number of days it doesn't rain is 3:1. If it rained for 36 days, how many did it NOT rain.

12 days it doesn't rain

400

There are 14 more dogs at the animal shelter than cats.  If the ratio of dogs to cats is 5:3. How many cats are at the animal shelter?

21

500

RATIO TABLE

X        Y

5        6

15      18

?       36

40     48

x = 30

Ratio 2

100

Simplify 24/72

1/3

200

There are 12 bananas, 10 apples, and 16 kiwis.  What is the ratio of apples to bananas in simplest form?

5/6

300

I am making a dinner for a fundraiser. The ratio of cups of cheese to cups of vegetables is 9:4.  If you have 96 cups of vegetables, how many cups of cheese do you need?

216 cups of cheese

400

There is a total of 42 teachers at Norwich.  If the ratio of female to male teachers is 4:2.  How many males teach at the school?

14 male teachers

500

RATIO TABLE

X       Y

3       5

18      10

9      15

?      30

x = 6

Ratio 3

100

If there are 24 boys in the class and 16 girls.  Write the ratio of girls to boys in simplest form.

2/3

200

There are 7 butterflies, 3 lady bugs, 12 spiders, and 6 flies in big tube. What is ratio of spiders to total number of insects?

3/7

300

The ratio of the number of witches to brooms is 6:11. If there are 66 brooms, how many witches are there? 

36 witches

400

What is the unit price if 4 pounds of fruit cost $6.48?

$1.62 per pound

500

Which table is proportional?

Table A                         Table B

x         y                        x      y

3        12                      3      15

5        20                      4      20

2         8                       5      24

8        32                      6      31

Table A

Ratio 4

100

Kori spend $46.20 on 14 gallons of gasoline. What was the price per gallon?

$3.30 per gallon

200

One gallon of paint covers about 450 square feet. How many square feet will 1.5 gallons of paint cover?

675 square feet

300

Are the ratios 2:1 and 15:10 equivalent?

Yes

No

NO

400

There are 24 volleyballs, 20 basketballs, 14 tennis balls, and 18 basketballs.  What is the ratio of basketballs to total number of sport equipment?

5/19 or 18:58

500

RATIO TABLE

X         Y

3        15

9         15

?        75

x = 45

Ratio 5

100

Are 1/3 and 9/18 equivalent?

Son equivalentes?

NO

200

Are these ratios equivalent?

$1 per 3 grams

$6 per 17 grams

NO

300

RATIO TABLE

X          Y

1         10

2         20

3          ?

8        80

y = 30 

400

Are these ratios equivalent?

$14 for every 6 people

$7 for every 3 people

YES

500

For every 12 blue cars a factory makes, it makes 13 black cars.  If the factory made 60 blue cars, how many are black?

65 black cars