I (know) he will come
4 answers
Answers
who will come?
Who
Explanation:
step-by-step explanation:
hello!
[tex]x-children.ticket \\y-adult.ticket\\\left \{ {{x+y=450} \atop {2*x+5*y=1800}} \right. => \\ \left \{ {{x=450-y} \atop {2(450-y)+5y=1800}} \right. => \\\left \{ {{x=450-y} \atop {900-2y+5y=1800}} \right. => \\\left \{ {{x=450-y} \atop {900+3y=1800}} \right. => \\\left \{ {{x=450-y} \atop {y=\frac{1800-900}{3} }} \right. => \\\left \{ {{x=450-y} \atop {y=300}} \right. => \\\left \{ {{x=450-300=150} \atop {y=300}} \right.[/tex]
(x,y)=(150,300)
300 adult tickers were sold!
good luck!
eager to consume a lot of food? insatiable appetite?
explanation:
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