Answer :
Answer:
-450
Step-by-step explanation:
0-300=-300
-300-150=-450
-450 because first he goes 300 feet below 0 so we have -300 then another 150 below the surface so 300+150=450. It he’s below surface so -450
Answer:
-450
Step-by-step explanation:
0-300=-300
-300-150=-450