Question

There are 3 feet in 1 yard. This is equivalent to 12 feet in 4 yards. which proportion can be used to represent this

Answer 1

$\frac{3 }{1} = \frac{12}{4}$
this is the answer because you set it up with the same units equaling each other
$\frac{feet}{yard} = \frac{feet}{yard}$