### Home > CC3 > Chapter 1 > Lesson 1.2.1 > Problem 1-47

Decide whether each of the following situations represents a proportional relationship. Explain why or why not. Homework Help ✎

Karim is ordering video games. Each game costs

, and there is a shipping charge per order. How much will it cost him to order any number of video games? Sketch a scatterplot for the total cost versus different numbers of games ordered. Does the relationship look linear? Does it go through the origin?

A given rectangle has an area of

square feet. What is the length for various widths? What is the length for a width of

foot? feet? feet? What kind of relationship do the lengths have? Oleg ran

miles in hour minutes. Assuming he continues at a constant rate, how long will it take him to run any number of miles? How long will it take him to run half a mile?

miles? Does this make sense for a proportional relationship? proportional