Rates & Rates

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Which ratio is equivalent to 12:36?

• 2:5
• 32:8
• 8:24
• 4:12

Which of the following numbers correctly completes the ratio table?
"For every 5 bird houses you build, your friend builds 3. If you build 25 this week, how many will your friend build?"

• 10, 15,20
  6, 9, 12, 15
• 10, 15, 20
  8, 13, 18, 23

There are 13 boys and 10 girls in the classroom.  What is the ratio of girls to students?

• 10 to 13
• 23 to 13
• 10 to 23
• 23 to 10

Which of these ratios is equivalent to 3:4?

• 12:9
• 9:20
• 9:12
• 803:804

An eight pack of juice boxes costs $4.79, and a twelve pack of juice boxes cost $6.59. Which is a better buy?

• 8 pack
• 12 pack

Solve the proportion.

• k=5
• k=3.3333333
• k=60
• k=90

On an airplane there are two seats on the left side and three seats on the right side.  There are 90 seats on the right side of the plane.  How many TOTAL seats are on the plane?

• 60 seats
• 150 seats
• 160 seats

Amariyah gets 6 paychecks in 12 weeks.  How many paychecks does he get in 52 weeks?

• 21 paychecks
• 26 paychecks
• 20 paychecks

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