Mathematics, 09.07.2019 07:30 laylay120
First student bought art, math and history books for $72. second student bought art, chemistry and history books for $80. third student bought chemistry, math and history books for $61. fourth student bought art, math and chemistry books for $57. how much does each book cost?
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First student bought art, math and history books for $72. second student bought art, chemistry and h...
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