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anonymous

  • one year ago

Linda had been collecting stamps for 5 weeks and had 25 stamps in her stamp book. Her book holds 64 stamps. She then began purchasing 3 stamps each week. What was the total number of weeks that it took Linda to fill her stamp book?

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  1. anonymous
    • one year ago
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    @butterflydreamer

  2. butterflydreamer
    • one year ago
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    Filled book = 64 stamps 5 weeks = 25 stamps. So first calculate how many more stamps she has left to collect if she want to fill the book up :)

  3. butterflydreamer
    • one year ago
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    Number of stamps left to collect = No. of stamps in filled book - 25 stamps Number of stamps left to collect = 64 - 25 = ?

  4. anonymous
    • one year ago
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    39

  5. butterflydreamer
    • one year ago
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    yep :) so number of stamps left to collect = 39 We want to find how many weeks it will take to collect 39 stickers if she collects them at 3 stickers per week.

  6. butterflydreamer
    • one year ago
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    so 39 divided by 3 = ?

  7. anonymous
    • one year ago
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    13

  8. butterflydreamer
    • one year ago
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    yesss :D now total number of weeks = 5 weeks + 13 weeks = ?

  9. anonymous
    • one year ago
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    18

  10. butterflydreamer
    • one year ago
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    yep :)

  11. anonymous
    • one year ago
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    yay! thanks! ^.^

  12. butterflydreamer
    • one year ago
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    you're welcome ^_^

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