#include<stdio.h>
int main(){
int horas, resto, ciclos3Horas;
float preco;
resto = horas % 3;
ciclos3Horas = (horas - resto) / 3;
preco = (ciclos3Horas * 10) + (resto * 5);
printf("O VALOR A PAGAR E = %.2f\n", preco
);
}
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