SOLUTION: Samuel has to sell concert tickets worth at least $90. The price of a child ticket is $8 and the price of an adult ticket is $15. Let y be the number of child tickets sold and x be

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Samuel has to sell concert tickets worth at least $90. The price of a child ticket is $8 and the price of an adult ticket is $15. Let y be the number of child tickets sold and x be      Log On


   

Question 828153: Samuel has to sell concert tickets worth at least $90. The price of a child ticket is $8 and the price of an adult ticket is $15. Let y be the number of child tickets sold and x be the number of adult tickets sold. Which of the following graphs best models this situation?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
+8y+%2B+15x+=+90+
+8y+=+-15x+%2B+90+
+y+=+%28-15%2F8%29%2Ax+%2B+45%2F4+
Here's the plot:
+graph%28+400%2C+400%2C+-2%2C+10%2C+-2%2C+14%2C+%28-15%2F8%29%2Ax+%2B+45%2F4+%29+