Mathematics Expressions and Calculations

The price of grapes is $2.19 per pound. The price of bananas is $0.59 per pound. The price of pears is $1.49 per pound. Write an expression to represent the total price of g pounds of grapes, b pounds of bananas, and p pounds of pears.

On Saturday, Lukas drove 4x – 5 miles. On Sunday, he drove 3x – 10 miles. What is the difference in miles driven?

• x + 15

• x – 5

• x + 5

• x – 15

• -30 + 40d – 10c

• -6 + 8d – 2c

• -2c + 8d – 6

• 6 – 8d + 2c

• -2(3 – 4d + c)

Simplify the expression 2(10) + 2(x – 4).

• 2x + 16

• x + 12

• 2x + 12

• x + 16

Suppose 8x + 16 ice cream cones were sold on Saturday and 7x – 9 were sold on Sunday. What is the total number of ice cream cones sold?

• 15x + 25

• 15x + 7

• x + 7

• x + 25

There are 11.5 ounces of cereal in a container. Additional cereal is poured into the container at a rate of 2.25 ounces per second. How many ounces are in the container after 4 seconds?

Consider the expression (8a + 16c). Part A: Factor the expression using the GCF.

• 8(a + 2c)
• 4(2a + 4c)
• 2(4a + 8c)
• 16(a + c)

Consider the expression (8a + 16c). Part B: What is the value of the expression when (a = -5) and (c = -1)?

Consider the expression (-4b + 8c + 12 - 8b - 2c + 6). Part A: Simplify the expression.

Tomas bought 80 tickets for rides at an amusement park. Each ride costs 5 tickets, and Tomas has been on (x) rides so far. Select all the expressions that show the number of tickets that Tomas has left.

• 80 - 5x

• 80 + 5x

• 5(16 - x)

• -5x + 80

• 5(16 + x)