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anonymous

  • one year ago

At Priscilla's Purse Warehouse, it takes 2/3 of a day to complete 1/9 of an order of purses. At this rate, how long will it take to complete the entire order of purses?

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  1. Hero
    • one year ago
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    Hint: (1/9)*9 = 1 order of purses

  2. anonymous
    • one year ago
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    thx

  3. Hero
    • one year ago
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    @Maxipoo124, did you figure how how long it will take to complete the entire order?

  4. anonymous
    • one year ago
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    yes

  5. Hero
    • one year ago
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    How long will it take?

  6. anonymous
    • one year ago
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    13 1/2 days

  7. Hero
    • one year ago
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    What calculations did you use to come up with that result?

  8. anonymous
    • one year ago
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    2/3 x 9 cross multiplied

  9. Hero
    • one year ago
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    There's no cross multiplying involved in calculating (2/3)*9 ,

  10. anonymous
    • one year ago
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    well i multiplied 3 x 9 and divided it by 2 and got 13.5 but into a fraction its 13 1/2

  11. Hero
    • one year ago
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    You only cross multiply if you have a proportion: \[\dfrac{a}{b} = \dfrac{c}{d}\] \[ad = bc\]

  12. Hero
    • one year ago
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    This is what you're multiplying: \[\dfrac{2}{3} \times \dfrac{9}{1}\] You multiply the numerators first. Then the denominators

  13. anonymous
    • one year ago
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    so six days

  14. Hero
    • one year ago
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    Yes, correct.

  15. anonymous
    • one year ago
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    thank you so much for the help

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