The greatest contribution of the USA. The USA has produced remarkably to the world over the past century or two. Include construction, metals production, electronics, machinery, nuclear energy sources, aviation, medicine, and more. Which is the greatest? And the answer is … Agriculture. American scientists have developed the disease resistant crops, fertilizers, and farming methods currently feeding the world. Without all this chow there would be no now – as we know it. ---------------- Today’s math problem . Let’s say the prime interest rate is 5%, and it goes up to 5.5%. Clearly the interest rate is up by 0.5%. But, in going from 5% to 5.5% the increase is really 10%. So which is it? Up by 0.5% or up by 10%? And the answer is… Both. It depends on what and how you’re counting. In the 0.5% increase we are discussing the net increase in the borrowing percentage. But in the 10% increase we are discussing the percentage increase of the percen
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