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suppose that there are two types of tickets to a show: advance...
Mathematics, 06.10.2019 22:00 KpopSushi
Ihave 2 questions left.
suppose that there are two types of tickets to a show: advance and same-day. advance tickets cost $20 and same-day tickets cost $40 . for one performance, there were 60 tickets sold in all, and the total amount paid for them was $1600 . how many tickets of each type were sold?
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