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Mathematics, 04.10.2020 19:01 MadisonAvocado926

Before beginning voice lessons, Martina already knew how to sing 18 pieces, and she expects to learn 2 new pieces during each week of lessons. How many weeks of lessons will
Martina need before she will be able to sing a total of 24 pieces?

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Before beginning voice lessons, Martina already knew how to sing 18 pieces, and she expects to lear...
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