chimmyy14
01.08.2019 •
Mathematics
The circus is coming to town. cindy is selling tickets. the first day she sold 8 adult tickets and 5 children tickets for a total of 177.50 in sales. the second day she received $255.00 for 12 adult tickets and 6 children tickets.
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Ответ:
8a+5c=177.50 -> 24a+15c=532.5
12a+6c=255.00 -> 24a+12c=510
24a+15c-24a-12c=532.5-510
3c=22.5
c=7.5
a=17.5
Ответ:
29
Step-by-step explanation:
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