Find the Cost Introduction
How can I use the area of something to find its cost?
Goal:
Goal:
Madelyn and her family are going to participate in the local hot-air balloon festival. They need to buy material to repair a few of the panels on their balloon. They will buy different colors of fabric. Each one costs a different amount per square unit.
Air balloons flying during the hot air balloon festival.
Question
Madelyn knows that the panels are 10 feet long and 4 feet wide. The fabric is $5 per square foot. How can we figure out the cost per panel?
Find the area and then multiply by the cost per square foot!
Madelyn needs to buy many panels for the different balloons. She needs some help calculating the cost. Let’s help her!