Question

A helicopter picks up stranded tourists in a national park that is 34.5

meters below sea level. The helicopter increases it's altitude by 56.8
meters. What is the helicopter's cruising altitude?​

Answer 1

The helicopter's cruising altitude is 22.3m

Explanation:

0-34.5=-34.5

-34.5+56.8=22.3

Hope this helps :D