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RebeccaPink6398

  • one year ago

@welshfella

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  1. rebeccapink6398
    • one year ago
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    @welsh

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  2. welshfella
    • one year ago
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    First convert the 3 3/4 to an improper ( or 'top heavy') fraction there are 12 1/4 's in 3 and we have another 3 1/4' s in 3/4 so what the total number of quarters?

  3. rebeccapink6398
    • one year ago
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    4! sooo 4/4?=1 whole.. wait 15?

  4. rebeccapink6398
    • one year ago
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    wait wait wait... is it D it seems like it is?

  5. welshfella
    • one year ago
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    thats right so 3 3/4 can be written as 15 / 3

  6. welshfella
    • one year ago
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    No you are guessing its not D we can now write the equation as

  7. rebeccapink6398
    • one year ago
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    oh well we got 15 and then 4*8 =32. oh well . are we multiplying?

  8. welshfella
    • one year ago
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    cross multiply and solve for x

  9. welshfella
    • one year ago
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    ooops sorry its 15/4 not 15/3 whay didnt you notice my deliberate mistake?? lol

  10. rebeccapink6398
    • one year ago
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    lol im the student here XD and i got 120

  11. welshfella
    • one year ago
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    |dw:1432919915327:dw|

  12. welshfella
    • one year ago
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    4x = 120 x = ?

  13. welshfella
    • one year ago
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    you cross multilpy 4 * x = 8*15 4x = 120

  14. rebeccapink6398
    • one year ago
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    480

  15. welshfella
    • one year ago
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    ?? no you divide both sides by 4 |dw:1432920023274:dw|

  16. welshfella
    • one year ago
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    follow?

  17. rebeccapink6398
    • one year ago
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    yes :) but are allll these steps nessesary? i have never done anything in math this much work lol but yes i do

  18. welshfella
    • one year ago
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    if 4 times something is 120 then that something must be 30 .

  19. rebeccapink6398
    • one year ago
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    OH I SEE!

  20. welshfella
    • one year ago
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    - well it might seem long because i've repeated things sometimes and written some explanations

  21. rebeccapink6398
    • one year ago
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    can you tell me what a surface area is?

  22. welshfella
    • one year ago
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    the total area of the surface of a plane or solid object Like the total surface are of a cube is the sum of the area of its 6 sides

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