Answer:
I think it is $1604.4
Step-by-step explanation:
I added 40% to 1146
Check the picture below.
the area of the triangle whose base is AC and height is BD, is the same area of the triangle whose base is AB and altitude is BC, namely

I'm sorry but what are we answering? i'd love to help but i'm confused
|13-6| < x < |13+6|
So the range will be:
7 < x < 19