2.19 Task Cards

The grocery store was clearing out inventory and offering 25% off all items. Write two expressions to show the price of all the items after the discount using (p) as the original price.

• p / (1 - 0.25)
• p - 0.25p

• p + (0.25 * p)
• 0.75p

Students enrolled in honors math increased by 18% this year. Write two expressions to show the enrollment after the increase and use (s) for students.

• s + 0.18s

• 1.18s - 1

• 1.18s

• s - 0.18s

Gas prices dropped 37% overnight. Write two expressions that represent the new price of gas using (g) as the old price.

• g - 0.37g

• 0.63g

• g - 37%
• g - 0.63

Write two algebraic expressions that represent the total cost (c) of a video game that is advertised as 75% off.

• 0.75c

• c - 0.25c

• c - 0.75c

• 0.25c

Laura went out for dinner with her friends. Write two expressions that represent the total bill she will pay if she wants to leave a 17% tip. Use (b) to represent the cost of the bill.

• 1.17b
• 0.17b

• b - 0.17b

• b + 0.17b

Are the following expressions equivalent? -1/2(8x - 16d) and -4x - 8d

• No

• Yes

Are the expressions: 6(a + 0.5) −1 and 6a + 3 equivalent?

• No

• Yes

Complete the following statements to generate an equivalent expression: 6x + 18 = ___(2x + ___)

Every flavor of macarons at Mac's Macs costs (d) dollars a piece. If Jeremy buys 3 pistachio, 12 vanilla, and 7 red apple macaroons, what's an expression for his total cost?

• 3d + 12d + 7d + d

• 3d + 12d + 7d
• 22d + 3d + 12d + 7d
• 22d

Doug's Dungarees has a 5% off sale on jeans this weekend. Caitlin buys 20 pairs at (j) dollars apiece. Write one expression to model her total cost.

• 15j

• 0.95(20j)

• 1.05(25j)

• 20j+0.95