Question
Make up a realistic proportional situation that can be solved mentally by a scale-factor approach and another that can be solved mentally by a unit-rate approach.
Step 1
How much of each ingredient do you need? Solution: Since you need to serve 12 people instead of 4, you can simply multiply the amount of each ingredient by a scale factor of 3 (12 Ă· 4 = 3). So, if the recipe calls for 2 cups of flour, you would need 6 cups of Show more…
Show all steps
Your feedback will help us improve your experience
Jaida L and 93 other educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
Think of a real-life quantity that is likely to be modeled well by a logarithmic function, and explain your reasoning.
Modeling with Exponential and Logarithmic Functions
Logarithmic Models
Describe a situation in which writing a proportion might solve a problem related to driving a car.
Ratio, Proportion, and Triangle Applications
Proportions and Problem Solving
Compose a uniform motion problem that can be solved with a system of equations of your own and share it on the discussion board.
Solving Linear Systems
Applications of Linear Systems
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD