davidoj13
05.05.2020 •
Mathematics
Mr. Morris and Ms. Krieg are taking their students to an amusement park. Mr.Morris bought 20 tickets for his students and 11 tickets for parent chaperones for $303.Ms.Krieg bought 20 tickets for his students and 17 parent chaperones for $381. What are the ticket prices for adults and children?
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Ответ:
b) a=-20
c) t=32
d) n=-150
e) l=-144