Applied Linear Problems and Tables to Equations

Bob has $150 in his savings account to start and saves $40 per month. Which equation matches the situation?

• y = 150 + 40

• y = 40x + 150

• y = 150x + 40

• y = 150 + 40x

How quickly is the water leaving the pool?

• -2 minutes per gallon
• -20 minutes per gallon
• -2 gallons per minute
• -20 gallons per minute

Elijah earns $200 for 8 hours of work. How much does he make in dollars per hour?

• $50 per hour
• $12 per hour
• $192 per hour
• $25 per hour

A fitness club opens with 80 members. Each month the membership increases by 15 members. Which equation represents the relationship between the number of months the club has been opened (x), and the total fitness club membership (y)?

• y = 15x

• y = 15x + 80

• y = x + 15

• y = 80x + 15

Adrianna has $20 in her savings account right now. Each week she will add $5 to it. Which equation represents this situation?

• y = 25x

• y = 20x + 5

• y = 5x + 20

• y = 20 + 5x

Jacob collects hats.  He has 6 hats already, and he collects 2 hats a week. Which equation represents this situation?

• y = 2x + 6
• y = 6x + 2
• y = 2x - 6
• y = 6x - 2

Lee charges $3 for a basket and $2.50 for each pound of fruit picked at the orchard. Write an equation in y = mx + b form for the total cost of x pounds of fruit from the orchard.

• y = 3x + 2.5
• y = 2.50x + 3
• y = 2.50x 
• y = 3x + 2.50