Pizza Cost and Table Arrangement

The video tutorial covers Module 4 Lesson 21, focusing on writing and evaluating expressions with multiplication and addition. It includes a mathematical modeling exercise using tables to determine seating arrangements and derives an expression for calculating the number of chairs around tables. The lesson also explores calculating the cost of pizzas with delivery, including scenarios with increased prices.

What is the main focus of the lesson in module 4, lesson 21?

• Writing and evaluating expressions with multiplication and addition

• Writing and evaluating expressions with subtraction and division

• Graphing linear equations

• Solving equations with variables

How many chairs can fit around two square tables pushed together?

• Eight chairs

• Six chairs

• Four chairs

• Ten chairs

What is the expression for the number of chairs around a long rectangular table made of 't' square tables?

• t * 2 + 4

• t * 2

• 2t + 2

• t + 2

How much does it cost to have one pizza delivered from Pizza Queen?

• $10

• $4

• $6

• $8

If the principal wants to buy pizza for 13 people, how much will it cost?

• $56

• $54

• $52

• $50

What is the greatest number of pizzas that can be ordered with $400, considering a $2 delivery fee?

• 98 pizzas

• 99 pizzas

• 100 pizzas

• 101 pizzas

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

• $18

• $13

• $10

• $15

What is the expression for the new cost of ordering 'p' pizzas with the increased prices?

• 4p + 3

• 5p + 2

• 4p + 2

• 5p + 3

How much would it cost to order five pizzas with the new prices?

• $25

• $33

• $28

• $30

What is the total cost for three pizzas with the new prices?

• $15

• $18

• $20

• $23