Mixed Proportions

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

On a map, if one centimeter represents 25 kilometers, how many kilometers does 7 centimeters represent?

• 175
• 185
• 200
• 220

is this proportional

• yes
• no

Paul wants to buy a shirt for $20.  He will save 40%.  How much is his discount? 

• $8
• $10
• $15
• $5

Madi took a test.  Out of 12 questions, she answered nine correctly.  What percent of the questions did she score correctly?

• 25%
• 50%
• 75%
• 80%

75 students received a coupon.  These students represent 5% of the total students at Seven Lakes JH.  How many students attend Seven Lakes JH?

• 1350
• 1200
• 1000
• 1500

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

Hamburger sells for 3 pounds for $6. If Alicia buys 10 pounds of hamburger, how much will she pay?

• $30
• $20
• $60
• $10

An elevator has a weight limit of 1 ton.  There are 3 people inside the elevator.  Each person weighs 150 pounds.  How many more pounds can the elevator safely hold?

• 450 pounds
• 850 pounds
• 1,550 pounds
• 1,850 pounds