Mathematics, 25.06.2019 20:00 destiniout04231
Iam crying right now i have had no sleep and i dont know the answer at the movie theatre, child admission is 5: 40and adult admission is 9: 00. on sunday, 178tickets were sold for a total sales of 1310.40. how many child tickets were sold that day?
Answers: 1
![\bf \begin{cases} c+a=178\implies \boxed{c}=178-c\\ 5.4c+9a=1310.4\\[-0.5em] \hrulefill\\ 5.4c+9\left( \boxed{178-c} \right)=1310.4 \end{cases} \\\\\\ 5.4c+1602-9c=1310.4\implies -3.6c+1602=1310.4\implies -3.6c=-291.6 \\\\\\ c=\cfrac{-291.6}{3.6}\implies c=81](/tpl/images/0016/8295/3ecaf.png)
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