Math

M partly varies as N and is partly constant. When M=2,N=3,when M=4,N=2.find M when N=1

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  1. M = kN + c
    when M=2, N=3
    ---> 2 = 3k + c
    when M=4, N=2
    ---> 4 = 2k + c
    subtract the two equations:
    -2 = k
    sub into one of them to find c,
    rewrite M = kn + c, replace N with 1 to find M

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