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crisis111

Bob has 5 more dimes than quarters. He has $3.30. How many of each coins does he have.

  • 2 years ago
  • 2 years ago

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  1. saifoo.khan
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    i did one before!

    • 2 years ago
  2. crisis111
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    On my other question? Its not appearing.

    • 2 years ago
  3. saifoo.khan
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    He got 13 dimes, and 8 quatrers!

    • 2 years ago
  4. crisis111
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    And how did you get to that?

    • 2 years ago
  5. espinozagabe
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    He has 13 dimes, and 8 quarters.

    • 2 years ago
  6. espinozagabe
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    And someone else already answered....

    • 2 years ago
  7. saifoo.khan
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    Lol, and someone copied! jk jk

    • 2 years ago
  8. crisis111
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    Haha but how did you get to your answer ?

    • 2 years ago
  9. saifoo.khan
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    \[\Huge My-Mind-works!\]

    • 2 years ago
  10. saifoo.khan
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    \[means..... \Huge Mentally!\]

    • 2 years ago
  11. crisis111
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    this doesnt help much. lol

    • 2 years ago
  12. espinozagabe
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    I got to my answer by just being intuitive. Meaning I just thought about it and even counted on my fingers lol. Then I got my answer.

    • 2 years ago
  13. mojo872
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    It can be solved with algebra. Number of quarters = q and number of dimes = d. We have, from the question: d = q+5 (there are five more dimes than quarters), and 10d + 25q = 330 (total amount of money = $3.30, or 330 cents) Putting them together: 10(q+5) +25q = 330 35q + 50 = 330 35q = 280 Therefore q=8, and d=13, as stated above.

    • 2 years ago
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