Charlie collects rare coins. Of his display cases, 3 cases contain 15 coins each and 4 cases contain

Discussion in 'Calculator Requests' started by math_celebrity, Sep 25, 2020.

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  1. math_celebrity

    math_celebrity Administrator Staff Member

    Charlie collects rare coins. Of his display cases, 3 cases contain 15 coins each and 4 cases contain 17 coins each. On Monday, Charlie bought 10 new coins for his collection. How many total coins does he have in his collection now?

    We have cases * coins + extra coins:
    3(15) + 4(17) + 10
    45 + 68 + 10
    123 coins
     

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