Comparing and Scaling

In the United States, 13 out of every 20 cans are recycled.

What percent of cans are recycled?

• sixty four percent

• sixty seven percent

• sixty five percent

• sixty eight percent

What is 40% of 10

• 6

• 4

• 40

• 20

9 pencils cost $7.74

Which equation would help determine the cost of 6 pencils?

• 9/$7.74 = 6/x​

• x/6 = 9/$7.74

• 9/6 = x/$7.74

• None of the above

6 erasers cost $6.60

Which equation would help determine the cost of 3 erasers?

• None of the above

• 6/$6.60 = 3/x

• x/3 = 6/$6.60

• 3/6 = $6.60/x

Jimmy receives his first 3 video games free then pays $ 50 for each game after that

Is the amount of money he spend on video games proportional to the number of games he owns?

• Yes

• No

It takes 28 minutes for 7 people to pain 7 walls

How many minutes would it take for 14 people to pain 14 walls?

• 28 minutes

• 20 minutes

• 10 minutes

• None of the above

Which one is greater?

1 1/4 or 1 2/3

• >

• <

There are 75 Sour Patch Kids in a 15 oz bag. Which proportion is written correctly so that you can find the number of Sour Patch Kids in a 7 oz bag?

• A
• B
• C

A car goes 50 miles in 40 minutes. What is the speed of the car in miles per minute? 

• 2.25 miles per min
• 1.75 miles per min
• 2.75 miles per min
• 1.25 miles per min

Target sells 7 CD's for $65.50. Write an equation that you can use to calculate the cost C for any purchase of n CD's at Target. 

• 9.36n = C
• 0.11n = C
• 9.36C = n
• Cn= 9.36