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Mathematics, 22.02.2022 09:20 dani6651

13. The cost of 20 blank recordable CDs and 6 music CDs is $80.70. The cost of 30 blank recordable CDs and 4 music CDs is $66.30.
Find the cost of each blank recordable CD and each music CD.
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13. The cost of 20 blank recordable CDs and 6 music CDs is $80.70. The cost of 30 blank recordable...
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