Question

If one foot is the same length as 12 inches, how many inches equal 3.5 feet? (Only input whole numbers.)

Answer 1

42

Explanation:

Answer 2

1ft=12in
1ft/12in=1

3.5ft=?in
1ft:12in=3.5ft:?in
1ft/12in=3.5ft/?in
times both sides by 12?in
1?=42in

answer is 42 in

or you could just do
3.5 times 12=42 inches