TEKS.MATH.9-12.VIII.C

A parking garage charges $4.50 for each hour you park.  You have $18 in your pocket.  How many hours can you park?

• x > 4
• x < 4
• x ≤ 4
• x ≥ 4

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TEKS.MATH.9-12.VIII.C

A babysitter earns $8 an hour for babysitting 2 children and an additional $3 tip when both children are put to bed on time.  If the babysitter gets the children to bed on time, what expression could be used to determine how much the babysitter earned?

• 8x+3 where x is the number of hours
• 3x+8 where x is the number of hours
• x(8+2) + 3 where x is the number of children
• 3x+(8+2) where x is the number of children

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TEKS.MATH.9-12.VIII.C

Suppose a culture of bacteria begins with 5000 cells and dies by 30% each year. Write an equation that represents this situation.

• y=5000(0.7)^x
• y=30(5000)^x
• y=5000(1.3)^x
• y=5000x^x

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TEKS.MATH.9-12.VIII.C

Amanda has to pay taxes on her annual salary and investments. Which type of tax is Kimberly paying? 

• Sales Tax
• Property Tax
• Payroll Tac
• Income Tax

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TEKS.MATH.9-12.VIII.C

Olivia would like to buy some new furniture for her home. She decides to buy the furniture on credit with 9.5% interest compounded quarterly. If she spent $7,400, how much total will she have paid after 8 years?

• $15,415.94       LeBron James
• $15,683.28            Chase Utley
• $15,927.56       Serena Williams
• $16,349.72            Tom Brady

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TEKS.MATH.9-12.VIII.C

TEKS.MATH.9-12.I.B

David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $1.50 each and sodas cost $0.50 each. At the end of the game, David made a total of $78.50 and sold a total of 87 nachos and sodas combined. Which system of equations represents this situation?

• 1.5x+0.5y=78.5
  x+y=87
• 1.5x+0.5y=78.5
  1.5x+0.5y=87
• x+y=78.5
  1.5x+0.5y=87
• x+y=78.5
  x+y=87

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TEKS.MATH.9-12.VIII.C

A liquid is evaporating. The amount of a liquid remaining, in liters, after x weeks is modeled by the equation y = 100(0.78)^x.  Approximately what percent of the liquid evaporates per week?

• 22%
• 47%
• 53%
• 78%

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TEKS.MATH.9-12.VIII.C

Calculate the percentage profit if an item is bought for $175 and sold for $236.25.

• 33%
• 25.9%
• 74%
• 35%

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TEKS.MATH.9-12.VIII.C

If your job pays you $12 an hour.  If you work for 30 hours in a week, what is your straight-time pay? 

• $36
• $360
• $120
• $300

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TEKS.MATH.9-12.VIII.C

Sally has n nickels and q quarters. What is the value of the money she has, in cents?

• n + q

• nq

• 5n + 25q

• 25q + 5n

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TEKS.MATH.9-12.VIII.C