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16 July, 11:17

Garrett started his coin collection when his grandfather gave him 34 coins. Every month after that, his grandfather gave him 6 more coins to add to it. How many coins did Garrett have in his collection after 30 months?

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  1. 16 July, 13:40
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    He has a total of 214 coins in his collection
  2. 16 July, 14:38
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    34 + 6m = total coins (t) ... where m represents number of months

    After 30 months ... m = 30

    34 + 6 (30) = t

    34 + 180 = t

    214 = t ... so after 30 months, Garrett had 214 coins in his collection
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