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Selena2345

  • 2 years ago

A Box company is making rectangular boxes that 10 centimeters by 8 centimeters by 5 centimeters. How many of these boxes can the company make using 20,000 square centimeters of cardboard ? Explain how you determined your answer.

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  1. dan815
    • 2 years ago
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    |dw:1369439572418:dw|

  2. Compassionate
    • 2 years ago
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    |dw:1369439609483:dw|

  3. dan815
    • 2 years ago
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    |dw:1369439582149:dw|

  4. Selena2345
    • 2 years ago
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    Can you guys give me the whole answer ?

  5. dan815
    • 2 years ago
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    u gotta do that part on your own

  6. dan815
    • 2 years ago
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    if you dont learn this stuff, ull just keep falling behind in later grades

  7. Selena2345
    • 2 years ago
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    Come on please @dan815

  8. dan815
    • 2 years ago
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    |dw:1369439947517:dw|

  9. dan815
    • 2 years ago
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    find the surface area of one box

  10. dan815
    • 2 years ago
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    do you know how to find area of rectangle?

  11. marrero
    • 2 years ago
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    let me see if i can find the answer ill google it ight

  12. marrero
    • 2 years ago
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    ok?

  13. Selena2345
    • 2 years ago
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    ok

  14. marrero
    • 2 years ago
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    sorry i tryed my best to look 4 it i couldint find it sry

  15. Selena2345
    • 2 years ago
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    thats okay

  16. marrero
    • 2 years ago
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    u sure

  17. Selena2345
    • 2 years ago
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    A Little i need so much help

  18. marrero
    • 2 years ago
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    let me see if i can find anyone who can help ight

  19. marrero
    • 2 years ago
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    @april115

  20. marrero
    • 2 years ago
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    can u help her april

  21. april115
    • 2 years ago
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    Sure! i could try

  22. marrero
    • 2 years ago
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    ight thx

  23. april115
    • 2 years ago
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    @ghazi is right the surface area which is 2 (lh) + 2(lw) + 2(wh) Length= 10 Width= 8 and Height= 5 so you do 2 times 10 times 8 plus 2 times 10 times 5 plus 2 times 8 times 5

  24. april115
    • 2 years ago
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    then you should be able to multiply those and get your answer

  25. april115
    • 2 years ago
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    So... 2 times 10 is 20 times 8 is 160 plus 2 times 10 is 20 times 5 is 100 plus 2 times 8 is 16 times 5 is 80

  26. april115
    • 2 years ago
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    160 plus 100 plus 80 is 340

  27. ghazi
    • 2 years ago
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    \[boxes=\frac{ 20,000 }{[ 2(10*8)+2(10*5)+2(8*5) ]}=\frac{ 20,000 }{ 340 }=58.82\]

  28. april115
    • 2 years ago
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    What???

  29. ghazi
    • 2 years ago
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    therefore approximately there are 59 boxes , or 58

  30. april115
    • 2 years ago
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    ohhhhh okay i get it

  31. Selena2345
    • 2 years ago
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    is that right @ghazi

  32. ghazi
    • 2 years ago
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    \[boxes=\frac{ given A }{ calculated (surfaceA)}\] yes thats right

  33. marrero
    • 2 years ago
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    i agree with ghazi

  34. ghazi
    • 2 years ago
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    A--> area

  35. marrero
    • 2 years ago
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    u good now Selena

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