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Solving Proportions
100
In a bag of M&M's there are 3 blue, 5 red, 2 yellow, 7 green, and 8 brown. What is the ratio of blue to red?
What is 3:5?
100
If a 3 liter soda is $3.96, how much are you paying per liter?
What is $1.32?
100

Find the missing number. 3/2 = 24/d

d = 16

100
A triangle has a height of 9 inches and a base of 12 inches. Fred wants to build a smaller model and has a 4 inch base. How tall is the model?
What is 3 inches?
100

Solve the proportion:  4/12 = 6/n

n = 18

200
In a bag of M&M's there are 3 blue, 5 red, 2 yellow, 7 green, and 8 brown. What is the ratio of yellow to green?
What is 2 to 7?
200
If a package of 12 pencils cost $1.08, how much is each pencil?
What is $.09?
200

Find the missing number. p/40 = 3/8

p = 15

200

Megan is sewing a quilt. The triangles in the pattern have angle measurements of 53 degrees, 90 degrees, and 37 degrees. If Megan's actual quilt pieces are twice the size of the pattern, what will the angle measurements be?

What is 53 degrees, 90 degrees, and 37 degrees?

200

Solve the proportion.  Round your answer to the nearest tenth. 3/5 = m/19

m = 11.4?

300
In a bag of M&M's there are 3 blue, 5 red, 2 yellow, 7 green, and 8 brown. What is the ratio of red to all?
What is 5 to 25?
300
If a set of 5 books cost $20.55, how much is each book?
What is $4.11?
300

What is the missing value? 6/14 = x/7

x = 3

300

Avery has to make a model of a penguin for science. The the actual Penguin is 2.5 tall and 0.5 ft wide.  If the model penguin is is 0.125 ft wide, how tall will it be?  Do NOT round your answer.

What is 0.625 ft

300

Solve the proportion.  Round your answer to the nearest tenth.   8/13 = 9/a

a = 14.6

400

Which of the following ratios are equivalent to 1:20?

9:180 180:9 4 to 100 100:4

What is 9:180?

400
Gina charges $27 for 3 hours of swimming lessons. Hector charges $16 for 2 hours of swimming lessons. Which instructor offers a better deal?
What is Hector? His lessons are $8/hr.
400

Find the missing value. 12/9 = n/3

n = 4

400
The design for a billboard is 1 foot tall by 2 feet long. How tall is the actual billboard if it is 50 feet long?
What is 25 feet tall?
400

Solve the proportion.  Round your answer to the nearest tenth.    x/4.3 = 9/2.9

x = 13.3

500

Which ratio is equivalent to 2:5? 

7:35 10:35 35:7 15:20

What is 10:35?

500
A 12-pound bag of dog food costs $24. A 15-pound bag of dog food costs $45. Which is the better deal?
What is 12-pound bag? It costs $2/pound.
500

Sally is entering a race. Her mom has pledged to give her a quarter for every mile she rides. If Sally rides 40 miles, how much will her mom donate?

What is $10?

500

An artist is painting a mural on the wall in the school cafeteria. His sketch is 10 inches tall and 18 inches wide. If the wall is 80 inches tall, how wide will the mural be?

What is 144 inches?

500

Solve the proportion.  Round your answer to the nearest tenth.  67.3/y = 24.8/13.6 

y = 36.9