SOLUTION: The school that Jenny goes to is selling tickets to a fall musical. On the first day of ticket sales the school sold 7 senior citizen tickets and 14 student tickets for a total of

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The school that Jenny goes to is selling tickets to a fall musical. On the first day of ticket sales the school sold 7 senior citizen tickets and 14 student tickets for a total of       Log On


   

Question 993949: The school that Jenny goes to is selling tickets to a fall musical. On the first day of ticket sales the school sold 7 senior citizen tickets and 14 student tickets for a total of $175. The school took in $215 on the second day by selling 12 senior citizen tickets and 7 student tickets. What is the price each of one senior citizen ticket and one student ticket?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
x=SR
y=student
7x+14y=175
12x+7y=215
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7x+14y=175
-24x-14y=-430, multiplying it by (-2). Now add
-17x=- 255
x=$15 SR
105+14y=175
14y=70
y=$5 student
======
check with second
12*15=$180
7*5=$35. They add to $215