Solve the following system of equations by using the substitution method.
y = x + 3
y = 2x – 4

(-7, -1)

(7, 10)

(10, -7)

(2, 7)

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?