Jody and Karen went to lunch. Jody's lunch cost $12.50 with tax. Karen's cost $10.50 with tax. If they each pay for their own meal and split a 20% tip on the total bill in half, how much did Jody's lunch cost her? (You have 2 minutes to solve this problem.)

Triangle ABC is a scale drawing of Triangle XYZ, as shown. Based on the information shown, which of the following is a true statement? (You have 2 minutes to solve this problem.)

Sara is making a scale drawing of the playground. 2 centimeters (cm) on her drawing equals 5 feet (ft) on the playground. How many feet is represented by 10 cm? (You have 2 minutes to solve this problem.)

Sara is making a scale drawing of the playground. 2 centimeters (cm) on her drawing equals 5 feet (ft) on the playground. The drawing is a rectangle that's 20 cm long by 30 cm wide. Based on her drawing, what is the playground's area in FEET? Hint: Area= Length x Width. (You have 2 minutes to solve this problem.)

Chen rode his skateboard 3 3/5 miles in 3/4 of an hour. What was his average speed in Miles Per Hour? Hint: Set up your ratios as....  Miles/Hour  then cross-multiply to solve for X. (You have 2 minutes to solve this problem.)

Eric is baking a cake. The recipe calls for 2 1/2 pounds of flour for every 1/3 cup of sugar. How many pounds of flour should Eric use for 1 cup of sugar? (You have 2 minutes to solve this problem.)

Which graph depicts (x, y) as proportional? (You have 30 seconds to solve this problem.)

Nate graphed his Rental Car Mileage Charges. When he drove 50 miles, Jiffy charged $15. When he drove 75 miles, Jiffy charged $22.50. When he drove 150 miles, Jiffy charged $45. What is the price per mile driven that Jiffy charges? (You have 2 minutes to solve this problem.)

Which set of (x, y) points is proportional? (You have 3 minutes to solve this problem.)

The graphed (x, y) relationship is NOT proportional. How do we know this? (You have 45 seconds to answer this question.)

Greg created a plot of the number of songs he downloaded from an Internet music site and the total cost of those songs. He let x represent the number of songs and y represent the total cost in dollars. He then plotted the points (5, 3.50), (7, 4.90), (11, 7.70), and (15, 10.50). What is the cost of downloading a song? (You have 3 minutes to solve this problem.)

A taxi cab company charges a rate of $3.40 per mile. Chris wants to determine the cost to travel from his house to the airport in a taxi cab. So, he created the displayed equation. But, it's not right. Which statement explains his error? (You have 2 minutes to solve this problem.)

A 3-pound bag of apples costs $4.50. Based on that rate, which equation shows how "y", the cost in dollars, is related to "x", the weight in pounds? (You have 2 minutes to solve this problem.)

The graph shows how the cost of dirt increases as you buy more and more dirt. What can be concluded from the information on the graph? (You have 2 minutes to solve the problem.)

Dan and Mike earn wages on commission. Dan makes 15% and Mike makes 10%. Dan sold 227 bikes at $65 each. Mike sold 251 tents at $85 each. Who earned more...and by how much? (You have 3 minutes to solve this problem.)

On a scale drawing, 1/8 inch = 11 feet. The distance between two points in the drawing is 2 1/4 inches. How long is the equivalent distance in feet? (You have 2 minutes to solve this problem.)

Last Test Question: Janice wants to buy a tie as a give for her dad. A store has discounted all of its ties so they are all 20% off the original price.

(a) Determine the discounted price of a tie that originally cost $20. (Be prepared to show your work!) (You have 2 minutes to solve.)

Last Test Question: Janice wants to buy a tie as a give for her dad. A store has discounted all of its ties so they are all 20% off the original price.

(b) Write an equation that can be used to determine y, the discounted price of a tie that has an original price of x dollars.

NOTE: Copy your answers on your scratch paper. You need them to solve part "c".

(NOTE: There are 2 right answers. On the test, this is not multiple choice. You have to type in your equation!) (You have 3 minutes to answer this question.)

Last Test Question: Janice can spend no more than $30 before tax for the discounted price of a tie.

(c) Use your equation from "(b)" to determine the greatest original price Janice can afford for a tie. (On the test, you will need to show your work or explain your answer.)(You have 3 minutes to solve this problem.)

Key skill: What is 30% of 50?

(You have 1 minute to solve this question.)

Key Skill: Which 3 statements are TRUE?

(You have 1 minute to solve this question.)

Key Skill: (-3) - (-8) = ???

Which one is the result of correctly applying the "Keep, Change, Change" rule for subtracting integers? (You have 1 minute to solve this question.)

Key Skill: Which 2 expressions require the "add and keep the sign" rule for integers? (You have 1 minute to solve this question.)

Key Skill: Which 2 expressions require the "subtract and keep the sign of the largest absolute value" rule for integers? (You have 1 minute to solve this question.)

Solve "z" in this one-step equation:

5z = -30

(you have 30 seconds to solve it)