Question: Middle-school students sold cookies in packages of 12. On the first day, they sold x packages. On the second day, they sold twice as many packages as on the first day. Which expression shows the number of cookies they sold on the second day?
A) 12(2x)
B) 12(x + 2)
C) 12(x - 2)
D) 12x/2
Correct answer: A
Grade: 7 | Topic: Expressions and Equations | Difficulty: Medium | Standard: 7.EE.A.2