Station 4 Interpreting Expressions

A video game club has 42 members. The number of high school members is six less than twice the number of middle school members. Write an expression representing the number of high school members in the club.

• 2m - 6

• 2m + 6

• 2m - 6 = 42

• 2m + 6 = 42

The equation C =  $\frac{5}{9}$  (F -32) is used to convert between Fahrenheit temperatures and Celsius temperatures. The temperature in Augusta on a summer day is 33° C.

Rounded to the nearest whole number, what is the temperature in Fahrenheit? 

• 91

• 79

• 68

• 55

Which of the inequalities represents the statement, "Two times a number x, less 15, is greater than or equal to 4 times the number y"?

• 15 - 2x $\le$ 4y

• 2x + 15 $\le$ 4y

• 2x - 15 $\ge$ 4y

• 2x - 15 $\le$ 4y

Michale has 14 steel balls of equal weight. If he puts 8 of them in one pan of a balance, and the rest along with a weight of 20 grams in the other pan, the pans balance each other. Which equation can be used to find the weight of each steel ball?

• 8x = 6x + 20

• 8x + 20 = 6x

• 8x = 120x

• 8x = 26x

Glendies earns a base pay plus a commission for each car she sells at Crazy Carl's Cool Cars. Her monthly salary is modeled by the function f(c) = 250c + 500. How much does she earn for each car sold?

Junior reads x hours a week. Andrew reads two times more than Junior and Tanner reads five hours more than Andrew. Write an expression that relates the amount of time Tanner reads?

Aaliyah, Keishanna, & Jacalyn's ages are consecutive whole numbers. Aaliyah is the youngest, and Jacalyn is the oldest. The sum of their ages is 111. How old is Aaliyah?

Jorge sells ice cream from a cart. The items, their prices, and the quantity sold on an average day are shown in the table. Which expression is equivalent to a single day of ice cream sales?

• 10.75abc

• 10.75(a+b+c)

• 4.5a + 4b + 2.25c

• 1.75a + 2.25(a+b) + 2.75a

Amberly has $50 to spend at the county fair. She spends $10 on admission and $15 on snacks. The games at the fair cost $1.25 each. Which inequality could be used to find the maximum number of x games that Amberly can play while at the fair?

• 25x + 1.25 $\le$ 50

• 25x + 1.25 $\ge$ 50

• 1.25x + 25 $\le$ 50

• 1.25x + 25 $\ge$ 50

There were 88 falcons in the tree and then b of the falcons flew away. Write an expression that shows how many falcons are in the tree now.