kbell182005
07.05.2021 •
Mathematics
Solve the problem.
2) A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's
performance they have sold a total of 914 tickets. Also, they have sold 80 more adult tickets than
children's tickets. How many children's tickets have they sold?
A) 421
B) 419
C) 413
D) 417
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Ответ:
3b^2 - (-6b^2) = 9b^2
3b^2 + 6b^2 = 9b^2
9b^2 = 9b^2