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

Ken can walk 40 dogs in 8 hours

How many dogs can Ken walk in 12 hours

• 10 dogs

• 40 dogs

• 60 dogs

• None of the above

How do you solve a proportion?

• Setting the two fractions equal too each other then cross-multiplying and solving the resulting equation.

• By dividing two fractions

• By multiplying two fractions

• Setting two fractions equal, the dividing

How would you write an equation?

• 4 + x = 72

• 4 + 68 = 72

• all of the above

A van travels 180 miles on 6 gallons of gas.  How many gallons will it need to travel 750 miles?

• 250 gallons
• 225 gallons
• 25 gallons
• 15 gallons

Tags

CCSS.7.EE.B.3

CCSS.7.RP.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Donuts4U has donuts on sale at 12 for $7.56.  What is a unit rate?

• 6 for $3.76
• 3 for $1.89
• $0.63 per donut
• $1.59 per donut

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2