Question $22$

What size heater will be required to heat the water in a swimming pool from $70$ degrees $F$ to $72$ degrees $F$ in $1$ hour if the appliance is $100\%$ efficient and the pool holds $20,000$ gallons of water?

a$.86,000Bt\frac{u}{h}$

b$.224,000Bt\frac{u}{h}$

c$.166,000Bt\frac{u}{h}$

d$.332,000Bt\frac{u}{h}$