Respuesta :
There were 37 student tickets and 52 adult tickets
Step-by-step explanation:
Let x be the number of student tickets and y be the adult tickets
Then
According to given statement that total 89 tickets were sold
x+y=89 Eqn 1
And
$5 for an adult ticket and $3 for student ticket ,and total cost $371
3x+5y=371 Eqn 2
From eqn 1
[tex]x=89-y[/tex]
Putting in eqn 2
[tex]3(89-y)+5y=371\\267-3y+5y=371\\267+2y=371[/tex]
Subtracting 267 from both sides
[tex]267+2y-267=371-267\\2y=104[/tex]
Dividing both sides by 2
[tex]\frac{2y}{2}=\frac{104}{2}\\y=52[/tex]
Putting y=52 in eqn 1
[tex]x+52=89\\x=89-52\\x=37[/tex]
Hence,
There were 37 student tickets and 52 adult tickets
Keywords: Linear Equation, Variable
Learn more about linear equation at:
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