Quote:
Originally Posted by Patty in Wisc
That's OK Alex, I got strait A's in math & science, but I don't understand what these equations are either.
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These equations are "proportions" which in the U.S. are now taught in 7th grade math. As an example:
Suppose your fertilizer is 15% available nitrogen and you want to know how much will provide 1 net pound of nitrogen. Your equation to solve is:
X * 15% = 1 lb
so
X = 1 lb / 15%