Question

When converting from inches to feet, the measurement in inches, m, of an object varies directly with its measurement in feet, f, with the constant of variation being 12. What is the equation relating these two quantities? How many inches would a 3.5-foot object measure? inches How many feet would a 27-inch object measure? feet

Answer 1

The equation is m=12f
to find how many inches 3.5ft would be you do this. 
3.5x12=42 in
to find how many feet are in 27in 
27/12=2.25

Answer 2

Answer:

m = 12f

42

2.25