ARAYAMYHAND
28.04.2021 •
Mathematics
Find the equation of the line which passes through (-2,-2) and (2,-4).
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Ответ:
24 child tickets
Step-by-step explanation:
Let x be the number of child tickets sold on Friday.
On Friday, twice as many adult tickets as child tickets were sold, then the number of adult tickets sold is 2x.
Children admissions is $5.20, then x child tickets cost $5,20x and adults admission are $9.00, so 2x adult tickets cost $9.00·2x. In total, x child tickets and 2x adult tickets cost
The total sales are $556.80, so
Therefore, 24 child tickets and 48 adult tickets were sold.