Question 999818
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Let *[tex \Large x] represent the cost of a child's ticket.  Then *[tex \Large 2x] is the amount they spent on the children's tickets. Further, *[tex \Large 1.5x] is the cost of an adult's ticket, so *[tex \Large 2(1.5x)\ =\ 3x] is the amount spent on the adults' tickets.  The sum of these two amounts is the total spent, or $85.


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 2x\ +\ 3x\ =\ 85]


Solve for *[tex \Large x] and then calculate *[tex \Large 1.5x]


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

*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \