Identifying the Constant

Find the unit rate.

18 orders in 3 days = ________ orders per day

• 3

• 9

• 6

• 8

A parking lot has 3 cars and 12 trucks. Find the ratio of cars to trucks. Select all the true ratios.

• 3 trucks : 12 cars.

• 1 truck : 12 cars

• 1 truck : 4 car

• 3 cars : 12 trucks

In the equation y = 14x, what is the constant of proportionality?

• x

• 14

• y

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound

• $35 per pound

• $5 per pound

• 0.125 pounds per dollar

The Williams family bought four concert tickets for $252.  What was the price per ticket?

• $62.00

• $6.30

• $63.00

• $60.00

What is the ratio of red apples to green apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

• 4 red apples to 7 apples

• 7 apples to 3 green

What is a Ratio?

• It is when the only factor the numerator and denominator share is a one 

• Is a comparison of two quantities 

• A rate with a denominator of one

• Two decimals that can be multiplied

What is the constant of proportionality for this table?

• 8

• 3

• 1/9

• 9

 

The constant of proportionality can be found by finding the __________  _____________.

• proportion answer

• unit rate

• rational number

• ratio rate

What is the constant of proportionality? 

• 2

• 10

• 5

• 1/5