Exploring Percent Proportions and Their Applications

This video tutorial covers the concept of percent proportion, explaining how to identify and solve for missing parts in percent problems. It includes practice problems and solutions, guiding students through the process of setting up and solving percent proportions. The tutorial emphasizes the importance of identifying the part, whole, and percent in word problems and provides examples to reinforce learning.

What is the percent proportion formula?

• Part-to-whole equals percent out of 100

• Part-to-whole equals percent out of 50

• Whole-to-part equals percent out of 50

• Whole-to-part equals percent out of 100

In a survey of 50 people, 20% said their favorite ice cream flavor was vanilla. How many people is that?

• 5

• 10

• 15

• 20

If 30% of the gumballs in a machine are pink and there are 15 pink gumballs, how many gumballs are there in total?

• 30

• 40

• 50

• 60

A salesperson sold 20 cars last month, 7 of which were red. What percent of the cars sold were red?

• 40%

• 35%

• 30%

• 25%

4% of how many days is 56 days?

• 1200

• 1300

• 1400

• 1500

80% of how many games is 32 games?

• 30

• 35

• 40

• 45

If 15% of the dogs at a shelter are puppies and there are 60 dogs, how many are puppies?

• 6

• 9

• 12

• 15

Alanna spent $21 of her $300 paycheck on a gift. What percent of her paycheck was spent on the gift?

• 5%

• 6%

• 7%

• 8%

If 9% of the pizzas made last week had extra cheese and 27 pizzas had extra cheese, how many pizzas were made in total?

• 350

• 200

• 300

• 250

What is the first step in solving a percent proportion problem?

• Identify the part, whole, and percent

• Check your answer

• Set up the proportion

• Solve for the unknown