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A theater sells tickets for a concert. Tickets for lower-level seats sell for $55 each, and tickets for upper-level seats sell for $30 each. The theater sells 241 tickets for $9,355.  How many tickets of each type were sold?

 Feb 28, 2020
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l = lower level seats                    money from lower level seats = $ 55 l

u = upper level seats = 241- l     money from upper level seats    $ 30 (241 -l )   summed = $ 9355

 

55 l         +   30(241-l ) = 9355      solve for 'i'  lower level seats , then upper level = 241 - l

 Feb 28, 2020

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