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pinkstick

word problem: Kristin spent $131 on shirts.Fancy shirts cost $28 and plain shirts cost $15.If she bought a total of 7 then how many of each kind did she buy?

  • one year ago
  • one year ago

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  1. asnaseer
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    Start off by defining some variables. So lets set f = number of fancy shirts bought and lets set p = number of plain shirts bought Can you formulate some equations using these symbols?

    • one year ago
  2. pinkstick
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    wait im confused how do u do this problem

    • one year ago
  3. asnaseer
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    e.g. you are told that the total umber of shirts bought is 7. So if you bought 'f' fancy ones, and 'p' plain ones, then we can say that:\[f+p=7\]

    • one year ago
  4. pinkstick
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    ok

    • one year ago
  5. asnaseer
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    now, since there are two unknowns here (f and p), we need two equations in order to solve this.

    • one year ago
  6. pinkstick
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    then how do we solve the problem because it says she spent $131

    • one year ago
  7. asnaseer
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    So, make use of the other piece of information given to you to formulate the second equation

    • one year ago
  8. asnaseer
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    If Fancy shirts cost $28 and you bought 'f' fancy shirts, then what will be the total cost of fancy shirts?

    • one year ago
  9. pinkstick
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    $28

    • one year ago
  10. asnaseer
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    $28 is cost of ONE fancy shirt

    • one year ago
  11. asnaseer
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    so, if you bought 'f' of them, how much would they cost?

    • one year ago
  12. pinkstick
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    r u the tutor

    • one year ago
  13. asnaseer
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    :) anyone on this site can both teach and/or learn. we do not have specific 'tutors' as such.

    • one year ago
  14. asnaseer
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    the site is based on mutual learning

    • one year ago
  15. asnaseer
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    I am actual in fulltime employment as a software engineer. I teach maths as a hobby because I enjoy it. :)

    • one year ago
  16. Chlorophyll
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    @pinkstick Can you focus on asnaseer's instruction?

    • one year ago
  17. asnaseer
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    It's ok @Chlorophyll, @pinkstick is a new user, so I assume he/she is curious to know how this site works. :)

    • one year ago
  18. muhammad9t5
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    which shirts did she bought? 7 Fancy shirts or both?

    • one year ago
  19. muhammad9t5
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    plain or fancy? or just 7 fancy shirts?

    • one year ago
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