It costs $35$35 per hour to rent a boat at the lake. you also need to pay a $25$25 fee for safety equipment. you have $200$200. for how long can you rent the boat?

Atreasure chest sinks at a rate no less than 20 feet er second. the floor of the icean is at most at -4,200 feet. will the tresure chest reach the ocean floor in less than 3 minutes? explain.