Real-World Situations with Expressions

It costs $125 to set up service for a smart phone and $40 additional per month. If m = the number of months, how much would it cost for someone for m months of cell service?

• 25 + 40m

• 40 + 125m

• 40m

• 125 + 40m

It costs $100 to rent a skating rink, plus $8 per person. If n = the number of people, what is the total cost?

• 8n

• 10 + 8n

• 8n + 100

• 100 - 8n

Seth has $365 in his savings account and spends $32 per week. How much would he have in his savings account after w weeks?

• 365 - 32w

• 32w - 365

• 365 + 32w

• 32w + 365

The temperature today was 10 degrees colder than twice yesterday's. If y = yesterday's temperature, what is today's temperature?

• 10 + 2y

• 10y + 2

• 10 - 2y

• 2y - 10

Jonathan has $450 in his savings account and plans to add $20 per week. If w = the number of weeks, how much money would he have after w weeks?

• 20w - 450

• 450 + 20w

• 20w

• 450 + w

Sofi has half as many video games as Jamier. If j = the number of games Jamier has, how many games does Sofi have?

• j / 1/2

• 1/2 j

• j + 2

• 2j

The cost of an adult visiting the Texas Zoo in Victoria is shown in the table. Which function describes this relationship

• y = 2x

• y = 2x + 4

• y = 4x

• y = 8x

The table outlines the cost of a monthly gym membership. Which equation best represents this relationship?

• T = 45m

• T = 30m + 25

• T = 30m + 15

• T = 15m

Justin placed a glass of water on his desk. The table shows the height of the water level each day at noon. Which equation best represents the relationship between h and d?

• h = 4 + 2d

• h = 10 – d

• h = 10 – 2d

• h = 12 – 2d

The bottles of juice that Craig usually buys each have x ounces of juice in them. Another company makes bigger bottles of juice that each have 10% more juice in them than the bottles that Craig usually buys. Craig buys 8 bottles of the bigger size. The total amount of juice, in ounces, he buys is represented by the expression shown below. Which expression also represents the total amount of juice, in ounces, Craig buys?