Dario was scuba diving at an elevation of −20 feet and then descended 20 feet more.

Dario and another person scuba diving. The other person is diving at negative thirty feet.

A number line from negative fifty to fifty by tens is shown.

After the descent, what was his elevation in relation to another diver at an elevation of −30 feet?

Do the equation

Dario was scuba diving at an elevation of 20 feet and then descended 20 feet more Dario and another person scuba diving The other person is diving at negative t class=