Q:

A basketball team sells tickets that cost​ $10, $20,​ or, for VIP​ seats,​ $30. The team has sold 3142 tickets overall. It has sold 207 more​ $20 tickets than​ $10 tickets. The total sales are ​$59,670. How many tickets of each kind have been​ sold?

Accepted Solution

A:
Answer:1,084 tickets were sold that cost $101,291 tickets were sold that cost $20767 tickets were sold that cost $30Step-by-step explanation:Letx ----> the number of tickets  that cost $10 soldy ----> the number of tickets  that cost $20 soldz ----> the number of tickets  that cost $30 soldwe know thatx+y+z=3,142 -----> equation A10x+20y+30z=59,670 ----> equation By=x+207 ----> equation Csubstitute equation C in equation A and equation Bx+(x+207)+z=3,142 ----> 2x+z=2,935 ----> equation D10x+20(x+207)+30z=59,670 ---> 30x+30z=55,530 ----> equation ESolve the system of equations D and E by graphingThe solution is the intersection point both graphsThe solution is the point (1,084,767)sox=1,084, z=767see the attached figureFind the value of yy=x+207 ----> y=1,084+207=1,291therefore1,084 tickets were sold that cost $101,291 tickets were sold that cost $20767 tickets were sold that cost $30