Two steps by inspection 1 qt = 0.25 gallons, 13.6 g/mL = 13.6 kg/L
0.25 gallon x 3.785411784 L/gallon x 13.6 kg/L x 1 lb/0.45359237 kg = 28.374 lb.
Hope this Helps!
This is easy… like you can’t take 20 min to search this up in Googl
Two. The zero before the decimal is insignificant
V1 / T1 = V2 / T2
3.5 / 20 = 3 / T2
T2 = 17.1 C