Rates, Ratios, Proportions

A unit rate is a ratio with:

• denominator of 1

• numerator of 1

Determine if the pair of ratios or rates are equivalent.

18 vocabulary words learned in 2 hours; 27 vocabulary words learned in 3 hours

• Yes

• No

A store has 120 customers in 6 hours. What is the unit rate in customers per hour?

• 16 customers per hour

• 12 customers per hour

• 20 customers per hour

• 15 customers per hour

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

• $3.60

• $3.55

• $3.40

• $3.50

If it costs $15.00 for 6 gallons of gasoline, how much will it cost for 8 gallons?

• $48.00

• $2.50

• $20.00

• $11.25

Jocelyn was shopping at a farmers’ market. She observed the prices of cucumbers at several stands. Which sign shows a proportional relationship in the pricing of the cucumbers?

• 
• 
• 
• 

On average, Shawnte drinks ½ of a 6 - ounce glass of water in 2/3 hour. How much water does she drink in an hour?

• 0.75 ounces

• 2 ounces

• 4.5 ounces

• 9 ounces

Which is the better deal? 5 candy bars for $4.35 or 7 candy bars for $6.23?

• 5 candy bars $4.35

• 7 candy bars for $6.23

• They are equal.

A recipe calls for 2/3 cup white sugar for every ¾ cup brown sugar. If I want to use 1 cup of white sugar, how much brown sugar should I use?

• 1 1/8 cups

• 1/2 cups

• 8/9 cups

• 2 cups

Lauren bikes 4/3 miles in 1/10 hour. How long does it take her to bike one mile?

• 7 1/2 hours

• 2/15 hours

• 13 1/3 hours

• 3/40 hours