Bonus Problem. A shop owner has 75 pounds of coffee that costs $4.50 per pound. How much coffee that costs $3.50 per pound shoul
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When
When
Adding the two equations together gives
Now, you have
By just examining the leading and lagging (first and last) terms that would be obtained by expanding the right side, and matching these with the terms on the left side, you would see that
So the partial fraction decomposition is