Question 415881
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$4.70 can also be expressed as 470 cents, which is the value of the coins in cents.  You have already established that *[tex \Large 10x\ +\ 25(x\ +\ 9)] is the value of the coins in cents, so:


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 10x\ +\ 25(x\ +\ 9)\ =\ 470]


Solve for *[tex \Large x]


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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