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    toricallan's Avatar
    toricallan Posts: 3, Reputation: 1
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    #1

    Jul 6, 2009, 06:25 PM
    Solve variation
    r varies directly as s. Find r when s = 3 and k = 5
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    Perito Posts: 3,139, Reputation: 150
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    #2

    Jul 6, 2009, 08:21 PM
    r varies directly as s. Find r when s = 3 and k = 5
    "r varies directly as s" means that r=as, where a is some factor (a proportionality coefficient). If your "k" is my "a" (which it probably is), then r=ks. You should be able to figure it out from here.
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