The Johnson family buys gasoline at three different gas stations during a car trip. At the first station, they pay 25.20 for 12 gallons of gas.
At the second station, they pay 19.71 for 9 gallons of gas.
At the third station, they pay 33.12 for 16 gallons of gas.

What is the rate AND the unit rate of the cost per gallon at each station?

The unit rate for the first station is 2.1. The unit rate for the second station is 2.19. The unit rate for the last station is 2.07.

Step-by-step explanation:

25.20 divided by 12 is 2.1

19.71 divided by 9 is 2.19

33.12 divided by 16 is 2.07

A

Step-by-step explanation:

1 is the smallest factor of every number, so C and D are incorrect.

B is incorrect, because 8 is not a factor of 36

That leaves with A which is the answer