homework math

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For every 20 cakes ordered from Barry's Bakery, 8 cakes ordered are chocolate. Which proportion can be used to determine x, the total number of cakes ordered from the bakery when 30 chocolate cakes have been ordered?

A. 8/12 = x/30
B. 8/20 = x/30
C. x/8 = 30/20
D. 8/20 = 30/x

  • homework math -

    I'll be glad to check your answer.

  • homework math -

    (8/20) x = 30

    x = 600/8 = 75

  • homework math -

    The answer is B?

    8*30 = 20*x
    240 = 20x
    240/20 = x
    12 = x

    x=12

    correct?

  • homework math -

    Nope. Please read the question again.

    Damon's answer is correct.

  • homework math -

    oh oh i see it now, i thought that 30 in all and how many are there in chocolate cake, i messed up the question. the answer should be D, right?

  • homework math -

    Right. D.

  • homework math -

    thank you ^.^

  • homework math -

    You're welcome. :-)

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