Proportional Relationships: Equivalent Ratios

What is the constant of proportionality?

• $3

• $4

• $2

• $9

What is B?

Which is NOT equivalent to 3:5?

• 15:25

• 9:15

• 21:28

• 30:50

Is this table proportional?

• Yes

• No

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

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

• Two decimals that can be multiplied

Alycia earned $20.40 in 3 hours. What is her unit rate in dollars per hour?

• $7 per hour

• $6 per hour

• $6.80 per hour

• $17.40 per hour

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

• Sargento

• Velveeta

Find the unit rate for the number of hats made per hour if 1,260 hats are made in 5 hours.

• 275 hats per hour

• 252 hats per hour

• 324 hats per hour

• 356 hats per hour