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anonymous

  • 5 years ago

I have a simple question on ratios and proportions...can someone help?

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  1. amistre64
    • 5 years ago
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    can try :)

  2. anonymous
    • 5 years ago
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    it is here http://www.math.com/school/subject1/lessons/S1U2L2DP.html

  3. anonymous
    • 5 years ago
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    I am having trouble with step 3

  4. amistre64
    • 5 years ago
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    20/25 = 4/5 is that your question?

  5. anonymous
    • 5 years ago
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    No Farther down...It says step 3

  6. amistre64
    • 5 years ago
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    itd be simpler if you just typed a question :)

  7. anonymous
    • 5 years ago
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    In a horror movie featuring a giant beetle, the beetle appeared to be 50 feet long. However, a model was used for the beetle that was really only 20 inches long. A 30-inch tall model building was also used in the movie. How tall did the building seem in the movie?

  8. anonymous
    • 5 years ago
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    it says the answer is 75...I keep coming up with 600

  9. anonymous
    • 5 years ago
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    When it goes through the steps to solve it seems to be step 3 where I lose it

  10. amistre64
    • 5 years ago
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    20 is to 50 as 30 is to what number... lets write this like fractions: 20 30 -- = -- 50 x What do you get from here?

  11. anonymous
    • 5 years ago
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    20 x X=30x50

  12. amistre64
    • 5 years ago
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    good, 20x = 1500 now how do we solve for x?

  13. anonymous
    • 5 years ago
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    divide both sides by 20

  14. amistre64
    • 5 years ago
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    very good, you are a pro at this :) that gives us: x = 1500/20 Which is?

  15. anonymous
    • 5 years ago
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    75

  16. amistre64
    • 5 years ago
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    TADA!!! excelent job :)

  17. anonymous
    • 5 years ago
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    Thanks I was getting hung up on the inches and feet part of it

  18. amistre64
    • 5 years ago
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    You did great; keep up the good work :)

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