nourmaali
17.07.2019 •
Mathematics
At the city museum, child admission is $5.80 and adult admission is $9.00 . on monday, three times as many adult tickets as child tickets were sold, for a total sales of $984.00 . how many child tickets were sold that day?
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Ответ:
30
Step-by-step explanation:
A bundle of 3 adult tickets and 1 child ticket sells for $32.80, so there were ...
... $984/$32.80 = 30 . . . . bundles sold.
The number of child tickets sold was 30.
Using an equation
Let c represent the number of child tickets sold. Then 3c is the number of adult tickets sold. The total revenue is ...
... 5.80c + 9.00·(3c) = 984.00
... 32.80c = 984.00 . . . . . . . . . . simplify
... c = 984.00/32.80 = 30 . . . . . divide by the coefficient of c
Ответ:
plz if you knew if you new it plz tell me