SOLUTION: the mass of 4 similar music books and 6 biology books is 7.2 kg. The mass of 2 such music books is 3.4 kg. Find the total mass of 2 music books and 6 biology books
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Question 1185879: the mass of 4 similar music books and 6 biology books is 7.2 kg. The mass of 2 such music books is 3.4 kg. Find the total mass of 2 music books and 6 biology books
Answer by ikleyn(52873) (Show Source): You can put this solution on YOUR website!
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D U P L I C A T E
Just solved at this forum under this link
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