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anonymous

  • 5 years ago

i am having trouble understanding how to figure out how to do interpreting data for 8th grade pre alg.

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  1. anonymous
    • 5 years ago
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    question??

  2. anonymous
    • 5 years ago
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    a surey of 200 randomly selected consumersfinds that 75 consumers perfer brand a dtergent.predict how mant consumers in a town of 3000 perfer brand detergent.

  3. anonymous
    • 5 years ago
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    75 yes of 200 total How many yes (x?) out of 3000

  4. anonymous
    • 5 years ago
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    how did you get that answer?

  5. anonymous
    • 5 years ago
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    You remember similar triangles in geometry? 5/7=x/10? Like that.

  6. anonymous
    • 5 years ago
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    no dont remeber...........never been in geomerty

  7. anonymous
    • 5 years ago
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    You have 75 consumers out of 200, that can be written as 75/200 You want to know, let's call it x, out of 3000 that can be written as x/3000 The two are similar so you can set them equal and solve for x x/3000=75/200

  8. anonymous
    • 5 years ago
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    ohhh okay thank you.

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spraguer (Moderator)
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