Rates, Ratios, Unit Rate, Constant of Proportionality

A box of cereal cost $3.59 for 30 oz. How much is the unit rate per ounce? Round to the nearest cent.

• 11 cents

• 12 cents

• 13 cents

• 10 cents

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of dimes to nickels?

• 10 to 5

• 5 : 10

• 1 : 2

• 2 to 1

There are 10 dimes, 8 quarters, and 5 nickels?  What is the ratio of nickels to dimes and quarters?

• 5 : 8

• 5 to 18

• 1 : 2

• 4 to 5

Which rate is equivalent to $9 per hour?

• $27 in 3 hours

• $28 in 4 hours

• $33 in 3 hours

My aunt paid $124 for 4 concert tickets.  What is the rate for 7 concert tickets?

• $210

• $264

• $217

• $224

The constant of proportionality for the graph above is 1.

• True

• False

When we compare quantities, we compare them as _____ over ______. 

• x over y

• y over x

• rate over one

• peanut butter over jelly

Write an equation for the proportional relationship in the table.

• y=18x

• y=18.50x

• y=22.50x

• y=22x

Hadley is driving to Colorado. She has been traveling for 4 hours, and she has driven 260 miles. Find her speed in miles per hour.

• 85

• 65

• 60

• 70

Brittney bought 13 peaches for $8.84. How much was each peach?

• .68 cent

• .71 cent

• .65 cent

• .74 cent