College math

10+ 10 + s = 180
5a + 3c + 2s = 500
a = 10c

asked by Anonymous
  1. 10 + 10 + s = 180
    S = 180-20 = 160

    a = 10c.
    5*10c + 3c + 2*160 = 500
    50c + 3c + 320 = 500
    53c = 500-320 = 180
    C = 3.396

    a = 10c = 10*3.396 = 33.96

    posted by Henry

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