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elizabethann509

  • 3 years ago

I need to set up a proportion for this question: A recipe for chocolate chip cookies requires a half cup of sugar for a serving of 8 cookies. You need to make 30 cookies for your Math class and decide to use proportions to calculate how much sugar you need. Tell me if I am doing this right please :)

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  1. elizabethann509
    • 3 years ago
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    I know that 1/2cup sugar = 8 cookies so that means that C = 30. I need to find out what C is. I think that maybe I would set up the proportion like this but I'm not sure: |dw:1330997293354:dw| And then I would cross multiply. The only thing I'm not sure I'm doing right is setting up the proportion. Please let me know. Thank you :)

  2. saifoo.khan
    • 3 years ago
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    The best way, not to get confused again is, use a heading Cup : Cookies Now try it

  3. elizabethann509
    • 3 years ago
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    Oh and I am using the C to represent the unknown CUP of sugar. I suppose I could have used S for sugar but oh well :p

  4. saifoo.khan
    • 3 years ago
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    Cup : Cookies 0.5 : 8 x : 30 Now cross multiply.

  5. saifoo.khan
    • 3 years ago
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    i used "x"

  6. elizabethann509
    • 3 years ago
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    So the way I set it up was correct right?

  7. elizabethann509
    • 3 years ago
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    Only you used : instead of putting it in fraction form.

  8. saifoo.khan
    • 3 years ago
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    Wait. sorry. Yes u are correct. i didn't saw your working actually.

  9. elizabethann509
    • 3 years ago
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    Ha okay thanks! I just wanted to check and make sure that I was doing this right :)

  10. saifoo.khan
    • 3 years ago
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    cool.

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