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anonymous

  • one year ago

Ivy has 4 tiles with pictures of plants and 5 tiles with pictures of animals. Ivy keeps all the tiles on a mat with the pictures hidden and mixes them up. She then turns one tile face up and finds the picture of a plant on it. She removes this tile from the mat and turns over another tile without looking. What is the probability that the second tile that Ivy turns over has a plant on it?

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  1. anonymous
    • one year ago
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    37.5% 44.4% 60.0% 80.0%

  2. anonymous
    • one year ago
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    @ganeshie8

  3. ganeshie8
    • one year ago
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    how many tiles have plant before she goes for the second turn ?

  4. anonymous
    • one year ago
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    4?

  5. anonymous
    • one year ago
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    wait 3

  6. ganeshie8
    • one year ago
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    Yes, 3 is correct

  7. ganeshie8
    • one year ago
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    total how many tiles are there before she goes for second turn ?

  8. anonymous
    • one year ago
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    8?

  9. ganeshie8
    • one year ago
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    careful, she has removed one plant tile

  10. anonymous
    • one year ago
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    i think its 8 because she has 5 animal cards and when she goes for the second turn she has 3 plant cards right?

  11. ganeshie8
    • one year ago
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    oops~ you're right!

  12. ganeshie8
    • one year ago
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    so probability that the second tile that Ivy turns over has a plant on it is ?

  13. anonymous
    • one year ago
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    3 out of 8?

  14. ganeshie8
    • one year ago
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    Correct. simplify and convert to percentage

  15. anonymous
    • one year ago
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    do you simplify 8 because you cant simplify 3

  16. ganeshie8
    • one year ago
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    by simplify i mean plug into the calculator :) 3/8 = ?

  17. anonymous
    • one year ago
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    0.375?

  18. ganeshie8
    • one year ago
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    Yes, multiply by 100 to change into percentage

  19. anonymous
    • one year ago
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    37.5?

  20. ganeshie8
    • one year ago
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    looks good!

  21. anonymous
    • one year ago
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    thanks alot :)

  22. ganeshie8
    • one year ago
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    np:)

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