The formula for simple interest is:
I=\frac{P\times t\times r}{100}
Given P = $75000, t = 12.5 years, and r = 3.45% or 0.0345:
I=\frac{75000\times12.5\times0.0345}{100}=323.4375
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Math question: In a right triangle, if one angle measures 30 degrees and the hypotenuse is 10 units long, what is the length of the opposite side?
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What is the measure of the third angle in a triangle if the first angle is 55°, the second angle is 80°?