Lunch Order Problem Solving

The video tutorial explains how to solve a system of linear equations with three variables using a real-life scenario involving Ani, Budi, and Charly's lunch orders. The tutorial guides viewers through setting up the equations based on the orders, eliminating variables to simplify the equations, and calculating the prices of individual items. The video concludes with a summary of the solution and encourages viewers to like, share, and subscribe.

Who are the three people involved in the lunch order problem?

• Budi, Charlie, and Dodi

• Ani, Dodi, and Charlie

• Ani, Budi, and Dodi

• Ani, Budi, and Charlie

Tags

CCSS.2.OA.A.1

How much did Ani pay for her order?

• Rp20,000

• Rp10,000

• Rp25,000

• Rp15,000

Tags

CCSS.2.OA.C.4

What items did Budi order?

• One hamburger, three fries, and two drinks

• Two hamburgers, one fry, and three drinks

• One hamburger, two fries, and one drink

• One hamburger, one fry, and one drink

Tags

CCSS.3.OA.D.8

What is the total cost of Charlie's order?

• Rp15,000

• Rp20,000

• Rp30,000

• Rp25,000

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

What is the first step in solving the system of equations?

• Subtract one equation from another

• Add all equations together

• Eliminate one variable from two equations

• Multiply all equations by a constant

Tags

CCSS.8.EE.C.8B

CCSS.HSA.REI.C.6

After eliminating one variable, what do we obtain?

• A new constant

• A new variable

• A new solution

• A new equation

Tags

CCSS.7.EE.B.4A

What is the price of one fry after solving the simplified equations?

• Rp3,000

• Rp2,000

• Rp4,000

• Rp5,000

Tags

CCSS.7.EE.B.4A

What is the price of one drink after solving the simplified equations?

• Rp2,000

• Rp1,000

• Rp3,000

• Rp4,000

Tags

CCSS.6.EE.B.7

What is the price of one hamburger after solving the simplified equations?

• Rp8,000

• Rp9,000

• Rp7,000

• Rp6,000

Tags

CCSS.RI.6.3

CCSS.RI.7.3

CCSS.RI.7.5

CCSS.RI.8.3

CCSS.RI.8.5

What should you do if you liked the video?

• Ignore it

• Dislike it

• Like, share, and subscribe

• Report it

Tags

CCSS.RI.5.3

CCSS.RI.5.5

CCSS.RI.6.3

CCSS.RI.6.5

CCSS.RI.8.3