A submarine is at a depth of 600 m below sea level. If its depth decreases by 65 m, what will be its current depth?

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Solution

If we denote sea level as 0, depth can be represented as negative number.
Former level of submarine = -600 m
Decrease in depth will also be represented in negative integer.
Depth difference = -65m
Current level of Submarine = -600 m - (-65 m)
= -600 + 65 = -535 m

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A submarine is at a depth of 600 m below sea level. If its depth decreases by 65 m, what will be its current depth?

If we denote sea level as 0, depth can be represented as negative number. Former level of submarine = -600 m Decrease in depth will also be represented in negative integer. Depth difference = -65m Current level of Submarine = -600 m - (-65 m) = -600 + 65 = -535 m

If we denote sea level as 0, depth can be represented as negative number.
Former level of submarine = -600 m
Decrease in depth will also be represented in negative integer.
Depth difference = -65m
Current level of Submarine = -600 m - (-65 m)
= -600 + 65 = -535 m