Question

6. During an emergency exercise, a submarine dives 37 ft, rises 16 ft, and
then dives 18 ft. What is the net change in the submarine's position
after the second dive?

Answer 1

The net change in the submarine's position = - 37 + 16 - 18

Therefore, the net change = -39 ft.

What is a net change?

• Net change is the difference between the quantity of a variable at the end state and the starting state.
• For example, start with some number. Add 10 to it, subtract 5 from it, again add 7, then subtract 16.
• The net change will be 10 + 5 + 7 - 16 = 6
• Whatever number you have started with, the result is 6 more.

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