Pizza Cost and Seating Calculations

The video tutorial covers writing and evaluating expressions involving multiplication and addition. It uses practical examples like seating arrangements at a restaurant and calculating pizza delivery costs to illustrate these concepts. The tutorial explains how to model situations mathematically and derive expressions to solve real-world problems. It also explores different scenarios to deepen understanding.

What is the main focus of Module 4 Lesson 21?

• Understanding fractions

• Writing and evaluating expressions with multiplication and addition

• Learning about geometry

• Studying historical events

How many seats are there around two square tables pushed together?

• Four

• Six

• Eight

• Ten

What is the expression used to calculate the number of seats around T tables?

• T + 2

• 2T + 2

• T * 2

• T + T

If there are 50 tables, how many seats are there in total?

• 106

• 104

• 100

• 102

What is the cost of delivering one pizza?

• $6

• $2

• $8

• $4

How much does it cost to deliver 10 pizzas?

• $40

• $42

• $44

• $46

What is the expression for the cost of P pizzas delivered?

• $2P + $4

• $2 + $4P

• $4 + $2P

• $4P + $2

If the price of a pizza is raised to $5 and delivery to $3, what is the cost of delivering 3 pizzas?

• $18

• $21

• $23

• $15

What is the new expression for the cost of P pizzas with the updated prices?

• $3 + $5P

• $5 + $3P

• $3P + $5

• $5P + $3

How many pizzas can be ordered with $400 if each pizza costs $4 and delivery is $2?

• 98

• 99

• 100

• 101