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Mathematics, 01.12.2020 14:00 rina62

Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey be able to sing, in total? Write and solve an equation to find the answer. pieces

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Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn...
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