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Matt71 Group Title

There are x benches and y students in an auditorium. When a bench is seated with 3 students, 18 are left standing. If a bench is seated with 4 students, 3 benches would be empty. a. Write 2 equations showing the relationship between x benches and y students b. Find the number of benches and students

  • 2 years ago
  • 2 years ago

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  1. MarinaDL Group Title
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    x- benches, y-students y=3x+18 x-3=y/4

    • 2 years ago
  2. Matt71 Group Title
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    Thanks, what about b?

    • 2 years ago
  3. MarinaDL Group Title
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    you need to try to solve it by yourself :-) I will help you if you will need it.

    • 2 years ago
  4. Matt71 Group Title
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    Well alright, no prob there, thanks for the help again

    • 2 years ago
  5. MarinaDL Group Title
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    you are welcome. Do you understand it?

    • 2 years ago
  6. Matt71 Group Title
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    Kind of, think I could figure it out by myself though

    • 2 years ago
  7. MarinaDL Group Title
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    y=3x+18 y=4(x-3) right parts are equal and you can find x

    • 2 years ago
  8. Matt71 Group Title
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    Yep, I get it

    • 2 years ago
  9. MarinaDL Group Title
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    answer is?

    • 2 years ago
  10. Matt71 Group Title
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    one sec

    • 2 years ago
  11. Matt71 Group Title
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    x=30 right?

    • 2 years ago
  12. MarinaDL Group Title
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    yes

    • 2 years ago
  13. Matt71 Group Title
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    so y=108

    • 2 years ago
  14. MarinaDL Group Title
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    yes, you are right. With system of equations always good to do check for both equations.

    • 2 years ago
  15. Matt71 Group Title
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    Sweet

    • 2 years ago
  16. MarinaDL Group Title
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    glad to help

    • 2 years ago
  17. miteshchvm Group Title
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    x- benches, y-students y=3x+18 x-3=y/4 y=3x+18 y=4(x-3) x = 30 y = 108

    • 2 years ago
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