A package of paper towels has 12 rolls of paper towels in it. Mr. Kelly will put an equal number of rolls of paper towels in 4 rooms. He uses the number sentence below to find the number of rolls of paper towels, $t$, he will put in each room.
$$12 ÷ t = 4 $$
Which number sentence can Mr. Kelly use to find the number of rolls of paper towels, $t$, he will put in each room?