3. Water needs to be delivered from a tank to another one that is 40 ft above the first tank. The water passes through a heat exchanger where 30,000 BTU/min of heat is lost. It will then be pumped to...

Extracted text: 3. Water needs to be delivered from a tank to another one that is 40 ft above the first tank. The water passes through a heat exchanger where 30,000 BTU/min of heat is lost. It will then be pumped to the receiving tank at 45 gal/min. The pump consumes 2 hp to do this. The water arrives at the second tank at 80°F. What was its initial temperature?