Compare Proportional Relationships Quick Check
5 of 55 of 5 Items
Question
Use the table and image to answer the question.
Store 1 Football Cost
Quantity ($) Cost
1 12
2 24
3 36
An illustration shows a graph labeled Football Cost. The horizontal axis is labeled Quantity and ranges from 0 to 5 in increments of 1. The vertical axis is labeled Cost and ranges from 0 to 39 in increments of 3. An upward slanting line segment connects points plotted at left parenthesis 0 comma 0 right parenthesis, left parenthesis 1 comma 9 right parenthesis, left parenthesis 2 comma 18 right parenthesis, left parenthesis 3 comma 27 right parenthesis, and left parenthesis 4 comma 36 right parenthesis.
Two stores have their footballs on sale. Which store has the better buy? What is the cost for a football at Store 1 and Store 2?
(1 point)
Responses
Store 2 has the better buy on footballs. Store 1’s football costs $12, and Store 2’s football costs $9.
Store 2 has the better buy on footballs. Store 1’s football costs $12, and Store 2’s football costs $9.
Store 2 has the better buy on footballs. Store 1’s football costs $24, and Store 2’s football costs $9.
Store 2 has the better buy on footballs. Store 1’s football costs $24, and Store 2’s football costs $9.
Store 1 has the better buy on footballs. Store 2’s football costs $9, and Store 1’s football costs $3.
Store 1 has the better buy on footballs. Store 2’s football costs $9, and Store 1’s football costs $3.
Store 1 has the better buy on footballs. Store 2’s football costs $12, and Store 1’s football costs $9.
3 answers
Looking at the table and the graph, we can see that Store 1's football costs increase by $12 for every increase in quantity, while Store 2's football costs increase by $9 for every increase in quantity.
Based on this information, we can conclude that Store 2 has the better buy on footballs, as the cost for a football at Store 2 is lower at $9 compared to Store 1's cost of $12.