Ratios, Rates and Proportions - Assignment 3

Solve the proportion:  $\frac{2}{7}=\frac{c}{28}$  

• 4

• 8

• 14

• 10

Express the ratio as a fraction in simplest form:
18 ounces to 3 cups

• 6 to 1
• 1/6
• 18/3
• 3/18

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Jose swims 3 laps in a pool every 2 minutes. How long would it take him to swim 27 laps?

• 8 minutes
• 9 minutes
• 16 minutes
• 18 minutes

Tags

CCSS.6.RP.A.3B

Elijah earn $200 for 8 hours of work. What is the unit rate (in dollars per hour)?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.7.RP.A.3

A local bakery called "Becky's Bakery" makes 100 batches of cookies in 8 hours. If they keep up this pace, how many batches of cookies would they make in 12 hours?

• 120 batches of cookies
• 200 batches of cookies
• 400 batches of cookies
• 150 batches of cookies

Tags

CCSS.6.RP.A.3B

Jerry paid $54.40 for 4 Circus tickets. Each ticket cost the same amount. What was the cost of each Circus ticket in dollars and cents?

• $13.54
• $13.16
• $13.88
• $13.60

Tags

CCSS.6.NS.B.3

Two slices of Dan’s Famous Pizza have 230 calories. How many calories would you expect to be in 5 slices of the same pizza?

• 2.5 calories
• 575 calories
• 250 calories
• 460 calories

Tags

CCSS.6.EE.B.7

CCSS.6.NS.B.3

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Melissa drives 238 miles in 5 hours. What is her average rate of speed?

• 40 MPH
• 46 MPH
• 48 MPH
• 50 MPH

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is a better value for cheese?

Simple: 6 oz. for $3.49

Kraft: 8 oz. for $3.49

• Kraft , because it's $2.29 per oz

• Simple, because it's $1.88 per oz

• Kraft, because it's $0.44 per oz

• Simple, because it's $0.53 per oz