if "cuantos" in this examples translate to "how many" so does that mean that "cuanto" actually means "how much?" or is it just the matter of plurality?
That's exactly it. "How many" vs "how much". Countable vs non-countable.
What is a kilo? Never used it in America and its really throwing me
A kilogram, which is approximately 2.2 pounds. It's not the primary unit of measurement, but it is used here.
The metric system is the primary system of measurement for the entire world except for the U.S.
I think the TrumpetMan was being a little droll Rae.F. We all know kilos are from a same tribe to the centigrades!
kilo of marijuana