Question
The mass of 10 story books and 7 novels is 2.53 kg. The mass of 4 story books and 9 novels is 2.19 kg. Find the mass of each novel.
4 m

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The mass of 10 story books and 7 novels is 2.53 kg. The mass of 4 story books and 9 novels is 2.19 kg. Find the mass of each novel.