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Ninety passengers rode in a train from City A to City B. Tickets for regular coach seats cost ​$121. Tickets for sleeper cars seats cost ​$285. The receipts for the trip totaled ​$19,418. How many passengers purchased each type of​ ticket?

 Jul 14, 2020
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90 passengers

r = # regular                         revenue from =  121r

s = #sleeper = (90-r)            revenue from =  285 (90-r)      summed , these = 19418

 

 

121 r        + 285 (90-r)      = 19418     solve for 'r' the # regular    then # sleeper = 90-r

 Jul 14, 2020

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