Proportions and Percents: Key Concepts and Applications

What is a percent ratio always compared to?

• 100

• 10

• 1000

• 50

In the proportion X/100 = 25/80, what does X represent?

• The ratio

• The total amount

• The difference

• The percentage

What is the first step in solving the proportion 80 * X = 25 * 100?

• Add 80 and 25

• Subtract 25 from 100

• Divide by 80

• Cross multiply

Tags

CCSS.7.RP.A.2C

In the DJ example, what is the total budget for the equipment?

• $1500

• $2000

• $2500

• $3000

Tags

CCSS.6.NS.B.3

What percentage of the total budget is spent on the fog machine?

• 8%

• 10%

• 6%

• 4%

How much of the total budget is allocated to the MP3 controller?

• 11.2%

• 12.5%

• 15.3%

• 18.4%

Tags

CCSS.6.RP.A.3C

What percentage of the total budget is spent on the speakers?

• 40%

• 20%

• 30%

• 50%

How much of the total budget is allocated to the mirrored ball and light?

• 4.5%

• 1.5%

• 2.8%

• 3.2%

Tags

CCSS.6.RP.A.3C

What percentage of the total budget is spent on the wireless microphone?

• 8%

• 12%

• 10%

• 5%

What percentage of the total budget is allocated to the lights?

• 25%

• 30%

• 35%

• 20%