Math

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The average height of Al, Anne, and Allan is 66 inches. If Arnel is included in the group, their average height becomes 70 inches. How tall is Arnel?

  • Math -

    (66 + 66 + 66 + x) / 4 = 70

    Solve for x

  • Math -

    zoe is 110 cm tall Claire is 10 cm taller how tall is claire

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