Drag each object to show whether cost is proportional to area in the situation represented.

Question

Sod that is quoted at a set
price per square yard plus a labor fee

Cost
($) Area
(acres)
3,000 2
4,000 4
6,000 6


Pavers that cost a set
amount per square foot

A concrete patio quoted at a
bulk cost for 50

square feet

Hardwood flooring that costs
$16
for every 2

square feet

Line graph with upward line extending from origin. X-axis number range: 0, 10, 60; y-axis number range: 0, 5, 30. Points plotted at (10, 5); (60, 30).

Cost Is Proportional to Area

Cost Is NOT Proportional to Area

Not Enough Information

Answer 1

Cost Is Proportional to Area - Sod that is quoted at a set price per square yard plus a labor fee. The cost increases as the area increases.

Cost Is Proportional to Area - Pavers that cost a set amount per square foot. The cost increases as the area increases.

Cost Is NOT Proportional to Area - A concrete patio quoted at a bulk cost for 50 square feet. The cost is the same for a fixed area regardless of the size.

Cost Is Proportional to Area - Hardwood flooring that costs $16 for every 2 square feet. The cost increases as the area increases.

Not Enough Information - The line graph only shows two points and does not provide information on the relationship between cost and area.