To change feet into inches, multiple the number of feet by 12, since there are 12 inches in a foot.
Typically, you measure a desk height with feet and a desk width with feet also. But, it depends on the size.
You can use either unit of measurement.
5.6875'
An apple can be measured in inches.... feet I'm not quite sure unless you had the worlds largest apple.
you answer it in inches not feet because feet is a lot and inches is enough for a long cat and small cat don't you think