A submersible is a type of underwater vessel. Suppose a submersible starts at a depth of 40 feet below sea

A submersible is a type of underwater vessel. Suppose a submersible starts at a depth of 40 feet below sea level, represented by – 40 feet. The table shows the submersible change in depth from one minute to the next.

2:15 p.m.
2:16 p.m.
2:17 p.m.
2:18 p.m.
–40 feet
180 feet lower
175 feet lower
185 feet lower
Answer the questions to find the depth of the submersible after 3 minutes.
1. Write and evaluate a subtraction expression to find the depth of the submersible at 2:16 p.m.


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