1989 Toyota Corolla Hello Iam Chile South America Corolla 1 3 Automatic

Hello , iam from Chile, South America

I have a Toyota corolla, 1,3 1989 AUTOMATIC TRANSMITION. My first car.

I have a few questions:

1) How many transmitons have the car? 1 to 3 or 1 to 4??

2.) its normal, when you go at 50 mph, your rpm its 3 thousans???

Thanks you!!!! hope you can answer my question