Problem Solve: Reasoning to Find the Area Introduction
What strategies can I use to solve problems related to finding the area?
Goal:
Goal:
Have you ever been to an airport? How much does it cost to build one?
Airports are huge areas that have many different departments--food courts, luggage handling, waiting areas, runways, and offices. A new airport is being built in your community, and the designers are trying to find the best arrangement of the different departments. Airports cost a lot of money. Let's see if we can help them to find the cost of some of the departments and the area of each department!
Question
First they need to buy the land that the airport will be on. If the land costs $1000 per square mile, what is the cost of a piece of land that is 8 miles by 9 miles?
$72,000! That is because 8 miles \({\times}\) 9 miles \({=}\) 72 square miles times $1000 per square mile \({=}\) $72,000.
Let’s keep helping to find the cost of an airport!