Given that a:b = 5:4 and b/c = 7:3 find: a:b:c

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Given that a:b = 5:4 and b/c = 7:3 find: a:b:c

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Nguyệt Ánh 1 year 2021-08-14T15:01:02+00:00 1 Answers 11 views 0

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    2021-08-14T15:02:49+00:00

    a/b=5/4

    a=5k

    b=4k

    b/c=7/3

    b=7x

    c=3x

    b=4k

    b=7x

    4k=7x   =>

    k=7y

    x=4y

    a/b/c=

    =5*7*y/4*7*y/3*4*y=

    =35y/28y/12y=

    =35/28/12y=

    =5/4/12y=

    =1,25/12y=

    =0.1041666666666667/ y

    there may be a mistake in my answer

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