ABible Student asked "What school did you go to?"
I don't know who he meant this for, but I'll chime in. I went to Anna Junior High and Anna Jonesboro Community High School. I graduated in 1988. I *know* I didn't learn anything this complicated until my sophmore year of high school. Mrs. Travis was my geometry teacher and I distinctly remember very similar word problems that I had to carefully pick apart to get to the correct answer. Prior to that year, math problems were much simpler one or two step affairs.
Now, was my education deficient? I don't think so. I passed my AP Physics exam without studying for it, I medalled in state level academic competitions in high school (yes, nerd, I know), and I graduated college with honors. I can't imagine what high school student needs to learn more math in high school than I did.