claraesson5581
21.07.2021 •
Mathematics
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Ответ:
9514 1404 393
21
Step-by-step explanation:
Let c represent the number of child tickets sold. Then 2c is the number of adult tickets sold. The total revenue is ...
5.80c +9.50(2c) = 520.80
24.80c = 520.80 . . . . . . . . . simplify
c = 21 . . . . . . . . . . . . . . divide by 24.80
21 child tickets were sold that day.
Ответ:
Here is your answer
D. 20
REASON :
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