Middle School

A diver went 37.9 feet below the surface of the ocean, then descended an additional 12.4 feet, and finally rose 8.16 feet.

Write and solve an expression to find the diver’s new depth.

Answer :

(37.9 + 12.4) + 8.16 i think, i could be wrong though.

Answer: He would be at 42.14 feet below surface. (hope it helps)

Step-by-step explanation: add 37.9 and 12.4 to get the number of feet he went down then subtract 8.16 to get what he's at.