Todd Said:

it is my answer true?

We Answered:

include <iostream>
using namespace std;
int main ()
{
float cable = 0.0;

cout"Cable Quality Control"<<endl;

while (cable >= 0)
{
cout<<"Enter cablefactor (or a negtive number to quit): "<<endl;
cin>>cable;


if (cable >= 5.5 && cable <= 6.5)
cout<<"Grade A";

else if (cable >= 4.5 && cable <= 7.5)
cout<<"Grade B";

else if (cable > 0)
cout<<"*** reject ***"<<endl<<Goodbye;
}

return 0;