(f, c) Gale thought that it would be fun to go to the carnival.
The carnival cost $15.50 for the first person and $12.00
for each additional person.
Equation: c = 15.5 + 12f
C = cost
f= number of friends
If the input of the equation is 3, what is the output?

The equatorial radius of earth is approximately 6 × 10^3 km, while the equatorial radius of saturn is approximately 6 × 10^4 km. which of the following is true? a. the equatorial radius of saturn is approximately one hundred times that of earth. b. the equatorial radius of saturn is approximately ten times that of earth. c. the equatorial radius of earth is approximately one hundred times that of saturn. d. the equatorial radius of earth is approximately ten times that of saturn.