Driver code to check the above function
int main ( ) { double kmph = 150 ; double mph = 100 ; cout << " the ▁ speed ▁ in ▁ mph ▁ is ▁ " << kmphTOmph ( kmph ) << endl ; cout << " the ▁ speed ▁ in ▁ kmph ▁ is ▁ " << mphTOkmph ( mph ) ; return 0 ; }