#include main() { float fahr, celsius; int lower, upper, step; lower = 0; upper = 300; step = 20; fahr = lower; printf("%10s %7s\n", "Fahrenheit", "Celsius"); while (fahr <= upper) { celsius = (5.0 / 9.0) * (fahr - 32.0); printf("%10.0f %7.1f\n", fahr, celsius); fahr = fahr + step; } }