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nuccioreggie

  • one year ago

A proportional relationship between the number of pounds of potatoes (x) and the price in dollars (y) is graphed, and the ordered pair (4, 3) is on the graphed line. Part A: What is the price of 1 pound of potatoes? Show your work, including the proportion you used to determine the price. (8 points) Part B: What does the ordered pair (8, 6) on the graph represent? Explain in words. (2 points)

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  1. nuccioreggie
    • one year ago
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    @Michele_Laino

  2. nuccioreggie
    • one year ago
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    @Michele_Laino

  3. Michele_Laino
    • one year ago
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    the unit price is given by the subsequent ratio: 3/4 =...?

  4. Michele_Laino
    • one year ago
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    part B: 6 is the price for 8 pounds of potatoes

  5. nuccioreggie
    • one year ago
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    Ok but @Michele_Laino. It say i have to show my work and the proportion i used to determine the price

  6. Michele_Laino
    • one year ago
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    |dw:1432748869430:dw|

  7. Michele_Laino
    • one year ago
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    part A. I call with p the price of 1 pound of potatoes, so I can write this proportion: \[\Large 3:4 = p:1\]

  8. nuccioreggie
    • one year ago
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    Im talking about in words @Michele_Laino

  9. nuccioreggie
    • one year ago
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    @Michele_Laino

  10. Michele_Laino
    • one year ago
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    here is my answer: "three over four is equals to p over one"

  11. Michele_Laino
    • one year ago
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    @nuccioreggie

  12. nuccioreggie
    • one year ago
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    O ok and what is B @Michele_Laino

  13. nuccioreggie
    • one year ago
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    ???

  14. Michele_Laino
    • one year ago
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    Part B: "6 is the price of 8 pounds of potatoes"

  15. nuccioreggie
    • one year ago
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    How did we get that / know that

  16. nuccioreggie
    • one year ago
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    @Michele_Laino. In part A how did you come up with that answer

  17. Michele_Laino
    • one year ago
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    since if 4 pounds cost $3 than 1 pound costs p, namely those ratios 4/3 and 1/p have to be equal each other: \[\frac{4}{3} = \frac{1}{p}\]

  18. Michele_Laino
    • one year ago
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    or, taking the inverse of those ratios, we can write: \[\frac{3}{4} = \frac{p}{1}\]

  19. nuccioreggie
    • one year ago
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    Ok thank you i have 3 more ok

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