SOLUTION: How can I write a system of equations for this problem:
120 people attended a musical. The total amount of money collected for tickets is $1515. Prices are $15 for adults, $12 f
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Question 385069: How can I write a system of equations for this problem:
120 people attended a musical. The total amount of money collected for tickets is $1515. Prices are $15 for adults, $12 for kids, and $10 for seniors. Twice as many child's tickets were sold as adult tickets. Write a system of equations to find the number of adult, child, and senior tickets were sold. The solve the system by using a matrix equation and the inverse equation.
so far i have x+y+z=120 and 12x+15y+10z=1515
y is adult
x is adult
z is senior
Answer by tara0066(31) (Show Source): You can put this solution on YOUR website!
Your 3 equations you are looking for are.....
a+c+s=120
15a+12c+10s=1515
c=2a
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