It takes 3920 N to accelerate a car at a rate of 3.42 m/s2. What is the mass of the car

It takes 3920 N to accelerate a car at a rate of 3.42 m/s2. What is the mass of the car?

(thanks for any help. i'm taking the course online, and the prof is little help)

F = ma
=> 3920 = m* 3.42
=> m = 3920 / 3.42 = 1146.2 kg