605 Flash Back Friday #3

Jason has a coupon for $2.50 off any electronic book from an online book store. If the original price, in dollars, of an electronic book is p and the discounted price, in dollars, is d, which table shows the relationship between p and d?

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Which pair of expressions below are equivalent?

• 7(2x) and 9x

• 3x + 5x and 15x

• 4(2x - 6) and 8x - 24

• x + x + x + x and x⁴

An art teacher had 2/3 gallon of paint to pour into containers. If he poured 1/8 gallon of paint into each container until he ran out of paint, how many containers had paint in them, including the one that was partially filled?

• 1

• 3

• 5

• 6

The coordinates of point F are (1, 0.5) and the coordinates of point G are (-1, -0.5). Which coordinate plane below correctly shows the locations of point F and G?

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Last year, Chesa made 32 one-cup servings of soup for a school party. This year, she will make two times the amount of soup that she made last year. How many gallons of soup will Chesa make this year?

• 64

• 16

• 4

• 2

A shelf has four books on it. The weight, in pounds, of each of the four books on the shelf is listed below.

2.5, 3.2, 2.7, 2.3

Which inequality represents the weight, w, of any book chosen from the shelf?

• w > 2.3

• w < 2.4

• w > 3.2

• w > 3.3

The area of the triangle below is 2/5 ft².

What is the length, in feet, of the base of the triangle?

• 24/25

• 25/24

• 2/3

• 3/2

Point M represents the opposite of -1/2 and point N represents the opposite of 5/2. Which number line correctly shows point M and N?

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The weight of an object on the moon, m, is about 1/6 of the object's weight on Earth, e. Which equation represents the approximate weight of an object on the moon in terms of the object's weight on Earth?

• m = 1/6 + e

• m = e / 6

• m = 6 + e

• m = 6e

The table below shows different possibilities for the number of games a team would need to win to maintain a certain percentage of wins.

Which ratio of the number of games won to the number of games played could also be included in this table?

• 18 : 20

• 30 : 20

• 18: 30

• 50 : 30