An airplane was at a cruising

altitude, then descended 3800 feet. If the airplane is at 28,000 feet now, what was the cruising altitude?

x - 3800 = 28000

x = 31,800

To find the cruising altitude, you need to subtract the descent from the current altitude.

Step 1: Subtract the descent from the current altitude.
28000 - 3800 = 24200

Therefore, the cruising altitude of the airplane was 24,200 feet.

To find the cruising altitude of the airplane, we can subtract the descent of 3800 feet from the current altitude of 28,000 feet.

The cruising altitude can be calculated by performing the following subtraction:

Cruising altitude = Current altitude - Descent distance

Cruising altitude = 28,000 feet - 3800 feet

Cruising altitude = 24,200 feet

Therefore, the cruising altitude of the airplane was 24,200 feet.