To convert from feet to inches, you will multiply or divide by 12. To convert from miles to feet, you will multiply of divide by 5280
2. 5*12= 60in
3. 5*5280= 26,400ft
4.240/12= 20ft
5. 100*3= 300ft
6. 10*12= 120in
7. 150/12= 12.5ft or 12ft 6in
8.7*3= 21ft+2ft= 23ft
9. 10*5280= 52,800ft