Evaluating Expressions & Graphing in Real Life Scenarios

A store sells pencils for $2 each. Write an expression for the total cost of buying 'x' pencils. Evaluate the expression for 5 pencils.

• $5

• $15

• $20

• 10

Maria has $50. She spends 'y' dollars on a book. Write an equation to represent how much money she has left. If she spends $15, how much does she have now?

• 10

• 40

• 35

• 25

A car rental company charges a flat fee of $30 plus $0.20 per mile driven. Write an expression for the total cost 'C' for driving 'm' miles. Evaluate the expression for 100 miles.

• 50

• $30

• $70

• $100

The perimeter of a rectangular garden is 48 meters. If the length is 'l' meters and the width is 'w' meters, write an equation for the perimeter. If the length is 10 meters, what is the width?

• 16 meters

• 14 meters

• 12 meters

• 18 meters

A school is planning a field trip. The cost per student is $25. Write an expression for the total cost 'T' for 'n' students. Evaluate the expression for 20 students.

• 600

• 500

• 400

• 750

A recipe requires 'x' cups of flour and 'x + 2' cups of sugar. Write an expression for the total cups of ingredients. If you use 3 cups of flour, how many cups of sugar do you need?

• 3 cups of sugar

• 6 cups of sugar

• 5 cups of sugar

• 4 cups of sugar

A bike rental costs $15 plus $5 for each hour. Write an equation for the total cost 'C' for 'h' hours. Graph the equation to show the relationship between hours and cost.

• C = 15 + 5h

• C = 20 + 4h

• C = 15h

• C = 10 + 5h

A swimming pool is filled with water at a rate of 4 liters per minute. Write an equation for the total volume 'V' of water after 't' minutes. If the pool is filled for 10 minutes, how much water is there?

• 20 liters

• 40 liters

• 60 liters

• 80 liters

A concert ticket costs $50, and there is a service fee of $5. Write an expression for the total cost 'C' of 'n' tickets. Evaluate the expression for 3 tickets.

• $100

• $200

• 165

• $150

A farmer has 'x' apples and picks 12 more. Write an equation to represent the total number of apples. If he started with 20 apples, how many does he have now?

• 25

• 28

• 30

• 32