Use the distributive property to write an equivalent expression: 7(y + 5)
7y + 35
15
Use the distributive property to write an equivalent expression: (5a - 3b + 8)4
32 - 12b + 20a
25
Combine like terms: 3a + 2b + 5a + 7b
8a + 9b
15
Write as an algebraic expression: five times a number
5x
10
Write as an algebraic expression: seven less than a number
x - 7
15
Write as an algebraic expression: 11 increased by a number
11 + n or n + 11
15
Write as an algebraic expression: twice a number
2x
10
Suppose x is the amount of money Raquel earned on Monday, and she earned twice that amount on Tuesday. Write an expression for the amount Raquel earned on those two days.
x + 2x = 3x
20
Suppose a was Clare's age 12 years ago. Write an expression for Clare's age now.
a + 12 years
15
A bus left NY @ 11 pm w/ 44 passengers. Later, some passengers got off @ NJ. The # of passengers who boarded the bus @ NJ were twice the # of passengers who got off the bus. The bus had 50 passengers now. How many passengers got off @ NJ?
44 + x = 50; x = 6 people
25
Melanie lends half her collection of formal dresses to her sister, Etel. Melanie then buys 4 more dresses. If she has 12 dresses now, how many dresses did Melanie have initially?
12 - 4 = 8; 8 x 2 = 16 dresses
25
Clare buys organic almonds priced at $77 from the grocery store. How much did she pay the cashier, if she received $23 in change?