1. what is \(\frac { 1 }{ 2 } \) of 8 ?
2. what is \(\frac { 1 }{ 3 } \) of 9 ?
3. what is \(\frac { 3 }{ 5 } \) of 25?
4. what is \(\frac { 3 }{ 4 } \) of 24?