Mathematics · Challenge

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Negative numbersRunning
Number line. Datum correction at -33.6 m. Corrected depth -56.6 m, Target depth -8 m. Currently corrected depth is short by 48.6 m.TUNING-50-40-30-20-1001020304050-33.6 M-56.6 m
t = 0.0s

Corrected depth

-56.6m

Target depth

-8m

-33.6 m

Number line. Datum correction at -33.6 m. Corrected depth -56.6 m, Target depth -8 m. Currently corrected depth is short by 48.6 m.

What has to balancea+x=ba + x = b

What is happening

You take control of a submersible logging depth against a shifting sea-level datum.

The craft is reading the wrong depth on the new datum. It reads -23 m on the old one and must read -8 m on the new, and the correction applied is wrong.