#include <stdio.h>
#include<math.h>
#include<string.h>
#include<stdlib.h>
int main()
{
double Tc=0;
double Tf=0;
int lowerbound = 1;
int upperbound = 15;
int i = upperbound;
while (i >= lowerbound)
{
Tf=20*i;
Tc=((5.0*Tf)-(5.0*32.0))/9.0;
printf("%.2f\t%.2f\n", Tf
, Tc
); i--;
}
printf("1.000000 %f\n",((5.0*1)-(5.0*32.0))/9.0); return 0;
}
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