4th grade math

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laura is 2 inches taller than rebecca. maxine is 4 inches taller than rebecca. the total height for the three girls is 150 inches. how tall is rebecca

  • 4th grade math -

    (r+2) + r + (r+4) = 150
    3r+6 = 150
    3r = 144
    r = 48
    now the others are clear, no?

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