so exg
feet to inches or vice verca
so 12in=1ft
so
3 ft to in
conversion factor 12in/1ft
multiply 3 with 12in/1ft
ft units cancel
3 times 12=36=answer
convert 48 in to feet
1 ft=12 in
conversion factor 1ft=12in
multiply 48in with 1ft/12in
in cancel
48/12=4 ft
