500 g temir va mis aralashmasining (massa boyicha) 3/5 qismini mis tas

A) 34,48

94. (v15-126-5) 500 g temir va mis aralashmasining (massa boyicha) 3/5 qismini mis tashkil etadi. Aralashmaga undagi temir massasining 2/5 qismiga teng mis qoshilganda hosil bolgan aralashmadagi temirning massa ulushini (%) aniqlang. A) 34,48 B) 5,52 C)25,5
D) 65,52