Solving Multi-Step Problems with Proportions and Equations

This video tutorial teaches how to solve multistep percent problems using proportions and equations. It begins with an introduction to percent problems, followed by a review of writing percent proportions and using visual representations. The tutorial then explores three methods for solving proportions: using equal between ratios, equal within ratios, and equal cross products. Finally, it demonstrates solving percent problems using equations by converting percentages to decimals and multiplying by the total amount. The video emphasizes that all methods yield the same results, allowing learners to choose their preferred approach.

If 10% of people prefer mint ice cream, how many mint cones would you expect to sell out of 300?

• 10

• 30

• 50

• 100

What is the percent proportion for vanilla if 150 out of 300 cones are vanilla?

• 25%

• 30%

• 50%

• 75%

How many parts would you have if you split 500 pieces into 10 equal parts?

• 5

• 10

• 50

• 100

Which method involves using equal between ratios to solve proportions?

• Cross products

• Visual representation

• Within ratios

• Between ratios

What is the decimal equivalent of 25% when solving equations?

• 1.0

• 0.75

• 0.5

• 0.25