physics

a ring made of diamond and gold ( sp. gravity respectively 3.5 and 17.5) weight 7.35*10^-3 kg. when immersed in water , the ring weighs 6.85*10^-3 kg. find the weights of the diamond and the gold of the ring

asked by palash
  1. s.g. ring (r) ... 7.35 / (7.35 - 6.85)

    3.5 d + 17.5 g = 7.35E-3 r

    d + g = 7.35E-3

    solve the system for d and g

    posted by Scott

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