Chapter 1: Ratios and Proportional Reasoning

Express $112 for 14 hours as a unit rate.

• $11/hr

• $112/week

• $8/hr

• 1. $9/hr

Express 4 tickets for $35 as a unit rate.

• $8.75 per ticket

• $87.50 per ticket

• $0.88 per ticket

• $0.08 per ticket

Express $15 for 10 gallons as a unit rate.

• 1. $5 per gallon
     

• $1.50 per gallon

• $3 for 2 gallons

• 1. $1000 per ton

• 25

• 1/4

• 1/25

• 4

• 2/3

• 16

• 9

• 1

• 4/5

• 1/20

• 20

• 5/4

When preparing to cook, Joanna can chop 2 pounds of carrots in 3 minutes. How many ounces can she chop per second?

• 5.18 oz

• 2.68 oz

• 2.5 oz

• 0.18 oz

Convert.
36 cm/min = _____ m/h

• 21.6

• 16.7

• 2,160

• 1. 60

Convert.
45 mi/h = _____ ft/s

• 3.1

• 120

• 66

• 3,960

What is the relationship between the number of hours worked and the amount earned shown in the table?

• cannot be determined

• ratio

• non-proportional

• proportional