Mathematics, 03.12.2020 20:40, kevincaleb1

Natalie bought 9 CDs to add to her collection. A week later, half of all her CDs were lost during a move. There are now only 18 CDs left. How many CDs did she have in her original collection?

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Natalie bought 9 CDs to add to her collection. A week later, half of all her CDs were lost during a...