CCSS.Math.Content.7.RP.A.3

What percent of students have less than 1,000 songs on their MP3 players?

• 15%
• 80%
• 20%
• 45%

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CCSS.Math.Content.7.RP.A.3

A wildlife reserve has a population of 120 elephants. A group of researchers trapped 42 elephants and recorded their vital statistics. Of the trapped elephants, 35 were female. If that rate holds true for the entire population of 120 elephants, how many female elephants are on the wildlife reserve?

• 100
• 120
• 132
• 216

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CCSS.Math.Content.7.RP.A.3

Express 11/50 as a percent.

• 220%
• 22%
• 50%
• 55%

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CCSS.Math.Content.7.RP.A.3

Ricco deposits $500 in an account that earns 2.5% interest compounded annually for 3 years.  Wally deposits $500 in an account that earns 5.1% interest compounded annually for 2 years.  Who will earn the greatest amount of interest?

• Ricco will earn $13.85 more than Wally
• Wally will earn $13.85 more than Ricco

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CCSS.Math.Content.7.RP.A.3

What is 10% of 275

• 27
• 27.05
• 2750
• 27.5

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CCSS.Math.Content.7.RP.A.3

Write 8.25% as a decimal. 

• 0.0825
• 0.825
• 82.5
• 825

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CCSS.Math.Content.7.RP.A.3

Find the sales tax only. $199.95 ipod; 9% tax

• $ 17.99
• $ 217.95
• $18.00
• $179.90

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CCSS.Math.Content.7.RP.A.3

The original price of a camera was $50 and the sale price this week is $38. What is the percent of change in the price of the camera?

• 24%
• 12%
• 20%
• 22%

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CCSS.Math.Content.7.RP.A.3

Jerry borrowed $4,000 for 5 years at 6% simple interest rate. How much interest is that?

• $800

• $1,000

• $1,200

• $1,500

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CCSS.Math.Content.7.RP.A.3

Bald eagles have made an amazing recovery from the brink of extinction. In the mid-1960s, there were only 450 breeding pairs in the lower 48 states. Since that time, the bald ealges have made a comeback due to habitat restoration. There are now about 10,000 breeding pairs in the lower 48 states. By about what percent has the number of bald eagle breeding pairs increased?

• 54%

• 95%

• 10%

• 2,122%

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CCSS.Math.Content.7.RP.A.3