## Cost Versus Weight

## Work Time

# Cost Versus Weight

- Graph the formula
*c*= 0.4*w*. Label the*x*-axis “weight” and the*y*-axis “cost.” - Write a problem using the information from the graph.
- What is the independent variable in your problem?
- Share your problem with a partner. Discuss whether your partner agrees that your problem can be answered using the information from the graph.
- Challenge your partner to use the graph to answer your problem.

## Hint:

For an idea for a word problem, look at the exercises from Lesson 2 that had to do with price.