Proportionality in Calorie Calculation

The video tutorial from Minute Math explains how to calculate the number of calories in a small bag of Doritos by setting up a proportion. It begins with an introduction to the problem, followed by a detailed explanation of how to set up and solve a proportion using the given data: the weight of the bag, serving size, and calories per serving. The tutorial guides viewers through substituting the known values into the proportion to find the unknown number of calories in the bag.

What is the main topic discussed in the Minute Math video?

• Calculating the area of a circle

• Finding the number of calories in a small bag of Doritos

• Solving quadratic equations

• Understanding the Pythagorean theorem

What information do we have about the Doritos bag?

• The price of the bag

• The weight of the bag and calories per serving

• The number of chips in the bag

• The flavor of the chips

What is the serving size of the Doritos mentioned in the video?

• 78 grams

• 50 grams

• 28 grams

• 100 grams

How many calories are there per serving of Doritos?

• 180 calories

• 140 calories

• 200 calories

• 100 calories

What mathematical concept is used to solve the problem in the video?

• Geometry

• Proportionality

• Calculus

• Algebraic equations

What is the relationship between serving size and the bag in this problem?

• They are unrelated

• They are inversely proportional

• They are directly proportional

• They are equal

What is the purpose of setting up a proportion in this context?

• To determine the flavor of the chips

• To compare the calories in a bag to the weight of the bag

• To find the price of the bag

• To calculate the number of chips in the bag

What is the equivalent ratio set up in the video?

• Calories per serving to weight per serving

• Flavor per serving to weight per serving

• Price per serving to weight per serving

• Number of chips per serving to weight per serving

What is the first step in solving the problem presented in the video?

• Setting up a proportion

• Finding the number of chips

• Determining the flavor of the chips

• Calculating the price of the bag

What variable is set for the unknown quantity in the problem?

• The calories in the bag

• The number of chips

• The price of the bag

• The weight of the bag