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

Write an equation that models the following situation:
Samantha's hair was known to grow very rapidly. It began at a length of 6 in and grew at a rate of 14% a week.

• y=6(0.14)^x
• y=6(1+14)^x
• y=6(1.14)^x
• y=6(0.86)^x

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

The regular price of a scooter is $65.50. It is on sale for $52.40. What is the percent decrease from the regular price to the sale price of the scooter? 

• 35%
• 25%
• 30%
• 20%

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

33 bags of potato chips cost $34.60.  How much will 10 bags of chips cost?

• $10.98
• $10.48
• $9.54
• $3.460

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

The original cost of a book is $14.55 but Darren has a 20% off coupon. What is his total? 

• $12.10
• $11.64
• $17.48
• $17.55

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

Maria borrowed $3,000 at a simple interest rate of 4% per year.  How much did she have to repay after 4 years?

• $480
• $3,480
• $4,800
• $7,800

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

If Jarvis borrow $675 for six years at a simple interest rate of 10% , how much interest will he pay ?

• $504

• $1048

• $405

• $1055

Tags

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

At a restaurant, you order a meal that costs $12. You leave a 20% tip. What is the total cost of the meal before taxes?

• $14.40

• $15.00

• $12.60

• $0.12

Tags

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

If 100% = $200, how much is 20%?

• $100

• $20

• $40

• $10

Tags

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

For parties of six or more, a restaurant adds a 20% gratuity (or tip). If a dinner bill for a large party comes to $148.25, find the total dinner bill with tip.

• 150

• 177.85

• 128.3

• 112.5

Tags

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

75% of what number is 48?

• 48

• 100

• 64

• 75

Tags

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