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A scuba diver is descending at a rate of 5 meters per minute. His current depth is
15 meters below sea level. In how many minutes will the diver's depth be at or below
80 meters below sea level? Which inequality best represents this situation?

A scuba diver is descending at a rate of 5 meters per minute His current depth is 15 meters below sea level In how many minutes will the divers depth be at or b class=

Respuesta :

I would say the one with:

-5m + (-15) <= -80.

As you can see, the diver is going down 5 meters per minute so the slope should be -5.

The diver starts at 15 meter below so it should be -15.