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Equations
Unit Rate
Proportional or Not?
Solving Proportions
Word Problems
100

Ana earns $12 in 3 hours. Write an equation to find d, dollars in terms of hours, h. 

d=4h

100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
What is 25 miles per hour
100
2/3 and 4/6
Yes, proportional, 2 x 6 = 12, 3 x 4 = 12
100
Solve for x. x/6 = 6/9
What is 4
100
Anna earns $12 in 3 hours. How much does she make in 5 hours?
What is $20
200

Ramon gets 10 points in 4 games. Write an equation to find p, points in terms of games, g. 

p=2.5g

200
If James types 120 words per 3 minutes, what is his rate of typing?
What is 40 words per minute
200
Are 1/6 and 2/7 proportional?
Not Proportional, 1 x 7 = 7 and 2 x 6 = 12
200
Solve for x. x/2 = 9/6
What is 3
200
Ramon gets 10 points in 4 games. How many does he get in 6 games?
What is 15 points
300

Henry reads 8 pages in 6 minutes. Write an equation to find y, pages in terms of minutes, x. 

y=1.33x

300
If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?
What is $0.35
300
Are 6/8 and 9/12 proportional?
Yes proportional, 6 x 12 = 72, and 9 x 8 = 72
300
Solve for x. x/6 = 8/12
What is 4
300
Henry reads 8 pages in 6 minutes, then he reads 4 pages in how many minutes?
What is 3 minutes
400

Julia texts 60 words in 4 minutes. Write an equation to find w, words in terms of minutes, m.

w=15m

400
Which is the better deal $20 for 5 t-shirts or $24 for 8 t-shirts
What is $24 for 8 t-shirts (rate of $3 per shirt)
400
Are 5/10 and 4/8 proportional?
Yes proportional, 5 x 8 = 40, 10 x 4 = 40
400
Solve for x. 6/10 = 18/x
What is 30
400
Julia texts 60 words in 4 minutes, then she texts 45 words in how many minutes?
What is 3 minutes
500

Students studied 25 hours for 2 tests, write an equation to find how many hours studied, h, in terms of the number of tests, t. 

h=12.5t

500
What is a unit rate?
a ratio where the bottom number is a 1
500
12/20 and 3/10
Not proportional, 12 x 10 = 120, 20 x 3 = 60
500
Solve for x. 3/8 = 15/x
What is 40.
500

Students studied 25 hours for 2 tests, and studies 100 hours for how many tests?

What is 8 tests.