Simplify Ratios
8:12
2:3
There are 12 pencils and 18 pens in a desk drawer.
Write the ratio of pencils to pens.
12:18
x/4 = 3/8
x = 1.5
A _____ is a comparison of two numbers using division.
Simplify 25:50
1:2
15:25
3:5
At the dance, there are 45 girls and 30 boys.
Write the ratio of girls to boys.
45:30
5/x = 10/12
x = 6
A ______ is an equation that states two ratios are equal.
Proportion
The shelter has 14 cats and 35 dogs.
Write the ratio of cats to dogs.
14:35
18:24
3:4
A class has 16 chocolate milks and 24 regular milks.
Write the ratio of chocolate milk to regular milk.
16:24
7/9 = x/27
x = 21
A ____ _____ is a rate with a denominator of 1.
Unit Rate
3/5 = x/20
x=12
21:28
3:4
The garden has 9 rose bushes and 15 tulip plants.
Write the ratio of roses to tulips.
9:15
12/15 = x/25
x = 20
____ ________ means multiplying the numerator of one ratio by the denominator of the other ratio.
Cross Multiplying
A _____ ________ a relationship between two variables where their ratio remains constant.
Proportional Relationship
36:54
2:3
There are 28 seventh graders and 21 eighth graders competing.
Write the ratio of seventh graders to eighth graders.
28:21
4/5 = (x + 3)/20
x = 13
A _____ is a ratio that compares two numbers measured in different units.
Ratio
What is Ms. Blondina's favorite color?
Green