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Zielflug [23.3K]
3 years ago
15

Roger started with 90 items in his MP3 collection. Each month, he buys 15 more MP3s to add to his collection. The number of MP3s

Mathematics
1 answer:
dolphi86 [110]3 years ago
6 0
225, you multiply 9 by 15 then the 90 he started with
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