13.16.2: Convert a height into inches.   Write a second ConvertToInches() with two double parameters, numFeet and numInches, that returns the total number of inches. Ex: ConvertToInches(4.0, 6.0) returns 54.0 (from 4.0 * 12 + 6.0).   code: #include using namespace std; double ConvertToInches(double numFeet) {    return numFeet * 12.0; } /* Your solution goes here  */ int main() {    double totInches;    totInches = ConvertToInches(4.0, 6.0);    cout << "4.0, 6.0 yields " << totInches << endl;    totInches = ConvertToInches(5.8);    cout << "5.8 yields " << totInches << endl;    return 0; }

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.