An airplane descends 2.2 miles to an elevation of 6.55 miles. Find the elevation of the plane before its descent.The initial elevation of the plane was _________
miles.
Explanation: In this scenario, you want to add 2.2 to 6.55 to get the initial elevation, and by completing the equation 6.55 + 2.2, you would get your answer of 8.75
