anonymous
  • anonymous
solve using systems of equations At a football game, tickets cost #3 for the students and $7 for adults. if a total of 1,820 people attended the game and $8000 was collected by ticket sales how many of each type of ticket was sold
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
3s+7a=8000 s+a=1820 where s is number of students, a is number of adults. Let me know if you need help solving
anonymous
  • anonymous
yes i do sorry i get all lost
anonymous
  • anonymous
k do you want me to explain how i got the equations or does that make sense

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anonymous
  • anonymous
it makes sense when i see it
anonymous
  • anonymous
k. then to solve we multiply the bottom equation by -3 3s+7a=8000 -3s-3a=-5460 now add the two 4a=2540 a=635 plug back in to get s s+635=1820 s=1185
anonymous
  • anonymous
ok?
anonymous
  • anonymous
yes that is great thank you a bunch
anonymous
  • anonymous
no problem

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