Evaluating Expressions with Variables

The video tutorial explains how to calculate the cost of participating in a hospital raffle using the expression 5t + 3, where t is the number of tickets purchased. The instructor demonstrates evaluating this expression for different values of t: 1, 8, and 10, while emphasizing the order of operations in arithmetic calculations.

What is the expression given for the cost of participating in the raffle?

• 5 + 3t

• 3t + 5

• 5t + 3

• t + 5

What does the variable 't' represent in the expression?

• The number of participants

• The number of tickets purchased

• The number of raffles

• The total cost

What is the value of the expression when t is equal to 1?

• 5

• 3

• 8

• 10

What operation should be performed first according to the order of operations?

• Division

• Multiplication

• Subtraction

• Addition

What is the value of the expression when t is equal to 8?

• 40

• 43

• 48

• 53

What is 5 times 8?

• 50

• 45

• 40

• 35

What is the value of the expression when t is equal to 10?

• 50

• 53

• 55

• 60

What is 5 times 10?

• 45

• 40

• 50

• 55