When carrying 12 gallons of fuel, the airplane weighs 2166 pounds. When carrying 40 gallons of fuel, it weighs 2320 pounds. How much does the airplane weigh if it is carrying 54 gallons?

The relative growth rate for a certain type of fungi is 60% per hour.a small culture has formed and in just 6 hours the count shows to be 20,273 fungi in the culture.what is the initial number of fungi in the culture?