Question 214231
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Let *[tex \Large x] represent the number of words spelled correctly.  Then *[tex \Large 48 - x] is the number of words spelled incorrectly.  If he makes $19.20, then he makes 1920 cents.  He gets *[tex \Large 100x] cents for the words he spells correctly, and he has to pay *[tex \Large 60(48 - x)] cents for the incorrect ones.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 100x - 60(48 - x) = 1920]


Solve for *[tex \Large x]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
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