The new position of the anchor is 7 1/5 below the surface of the ocean
How to find the new position of the anchor
Initially the anchor is located 15 3/5 m below the surface of the ocean, this is same as = -15 3/5 m
The anchor is further lowered and the position now is
= -15 3/5 m - 4 1/5 m
= -99 /5 m
Then the anchor is pulled up 12 3/5 m the new position now is
= -99 /5 m + 12 3/5 m
= -36/5
= -7 1/5
= -7.2
Learn more about addition of fractions:
brainly.com/question/29321903
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