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anonymous

  • one year ago

|I will medal, if answered| Isabelle figured out the mass of some materials for her science experiment. Sample A had a mass of 8.043 grams. Sample B had a mass of 0.21 gram. The mass of Sample A is how many times the mass of Sample B?

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  1. LynFran
    • one year ago
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    write an equation to figure it out

  2. LynFran
    • one year ago
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    here 0.21*x=8.043

  3. LynFran
    • one year ago
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    solve for x

  4. anonymous
    • one year ago
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    okay

  5. LynFran
    • one year ago
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    ?what did u get

  6. anonymous
    • one year ago
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    im not done yet, sorry im a little slow

  7. LynFran
    • one year ago
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    |dw:1441160642622:dw|

  8. LynFran
    • one year ago
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    |dw:1441160740133:dw|

  9. anonymous
    • one year ago
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    i don't understand

  10. LynFran
    • one year ago
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    wat did u get when u divide 8.043 by 0.21

  11. anonymous
    • one year ago
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    1.68903

  12. LynFran
    • one year ago
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    The mass of Sample A is how many times the mass of Sample B... ok we created an equation 0.21x=8.043...this way, we can solve for x to know

  13. LynFran
    • one year ago
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    i got 38.3 when i divide it

  14. anonymous
    • one year ago
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    wait, shouldn't we just multiply the too, and subract 0.21??

  15. LynFran
    • one year ago
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    no

  16. anonymous
    • one year ago
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    okay

  17. LynFran
    • one year ago
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    so when we sub x=38.3 in 0.21x=8.043 0.21* 38.3 =8.043

  18. anonymous
    • one year ago
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    ??

  19. anonymous
    • one year ago
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    is 38.3 the answer?

  20. LynFran
    • one year ago
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    yes

  21. anonymous
    • one year ago
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    Thanks!

  22. LynFran
    • one year ago
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    welcome

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