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anonymous

  • 5 years ago

Pens are bought at .95 a dozen and sold in groups of four for $2.25. Find the profit on 15 dozen pens.

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  1. myininaya
    • 5 years ago
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    D=.95 4D=2.25 there are 3 4Ds in 15D after that 3 dozen are left over 3(4D)+3(D)=3(2.25)+3(.95)

  2. anonymous
    • 5 years ago
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    Where did the 3 come from?

  3. anonymous
    • 5 years ago
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    3 x 4= 12 +3= 15

  4. myininaya
    • 5 years ago
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    right

  5. myininaya
    • 5 years ago
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    now what is 3(2.25)+3(.95)

  6. anonymous
    • 5 years ago
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    6.75 + 2.85= 9.6

  7. myininaya
    • 5 years ago
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    yes

  8. anonymous
    • 5 years ago
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    So $9.60 is the profit.

  9. anonymous
    • 5 years ago
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    thanks.

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