400
During the low tide, the beachfront in some places is about 350 feet from the ocean to the homes. At high tide, the water is much closer to the homes.
It takes about 6 hours for the ocean to move from low to high tide.
High tide can change the width of the beach at a rate of -17 feet an hour.
What is the distance from the ocean to the homes at high tide?
What is 248 feet?