Ratios
Unit Rate
Proportions Equation
Solve proportions
Word Problems
100
Write the ratio as a fraction in simplest form: 8 to 30
What is 4/15
100

410 miles in 16 gallons

What is 25.63 miles/gallon

100

What is the formula to show proportionality 

What is y = kx

100

n/12 = 6/18

What is n = 4

100
Julie was able to walk 16 miles through the park in 6 hours. How long will it take her to walk 24 miles through the park?
What is 9 hours
200
write the ratios of vowels to consonants in the words "Wind Gap"
What is 2/5
200
1500 words in 25 minutes
What is 60 words per minute
200

What does k represent?

Constant of Proportionality 

Extra Credit: y/x

200
c/28 = 5/7
What is c = 20
200
The ratio of vanilla pudding to chocolate pudding in a banana split pie is 4 to 3. Olivia has 64 oz of vanilla pudding. How much chocolate pudding does she need?
What is 48 ounces.
300
Write the ratio as a fraction in simplest form: 66 inches to 72 inches
What is 11/12
300
$1.12 for 8.2 ounces
What is $.14 per ounce
300

What is the constant of proportionality in y = 3.45x

3.45

300
2/x = 7/9
What is x = 2.57
300
If there are 1200 calories in an 8 oz piece of cheesecake, how many calories are in a 3 oz piece of cheesecake?
What is 450 calories
400
There are 140 students in 8th grade. If 80 of the students are girls, write the ratio of girls to boys in 8th grade.
What is 4/3
400
Which is the better buy? $3.29 for a 16-ounce bag of candy $2.99 for a 12-ounce bag of candy
What is $3.99 for 16-ounce bag = $0.21 per ounce
400

Is this a proportional relationship? y = 29x + 2

If so, what is the constant of proportionality? 

No

400
30/14 = k/1.54
What is k = 3.3
400
Annie bought 3 bags of special candy for $1.20. How much do 8 bags of candy cost?
What is $3.20
500

Write the ratio as a fraction in simplest form 30 seconds to 5 minutes

What is 6/1


500
Ethan can buy 4 CDs for $71.96 at CD Express or 9 CDs for $134.55 at Music Rox. Which has the better unit cost? How much is he saving per CD?.
What is Music Rox has the better buy (14.95 per CD). Ethan saved $3.04 per CD.
500

Is this a proportional relationship? y = 283033x

If so, identify x

Yes

k = 283033

500
380/520 = 760/x
What is x = 1040
500
The moats separating the people from the animals are 5 m wide for bears and 4 m wide for leopards. If the bears' moats is 4 m deep, how deep should the leopards' moat be?
What is 3.2 m for the leopards
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