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11 December, 11:50

Bruce and Mila are collecting baseball cards from their favorite teams, the Orioles and the Pirates. The equation r+p=28 represents the number of cards Bruce has. The equation 2r+p=43 represents the number of cards Mila has.

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  1. 11 December, 12:05
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    R+p=28 → p=28-r

    2r+28-r=43 → r=15

    p=28-15=13

    Bruce has 15 Orioles cards and 13 Pirates cards

    Mila has 30 Orioles cards and13 Pirates cards

    So they have 45 Orioles cards and 26 Pirates cards
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