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how would you solve these problem using distributive property
question #1 5(45+5)=5(_____)
question#2 9(42)-9(4)=9(30)+9(______)

I need this before Sunday December 6,2009

  • math -

    5(45+5)= 5(50)= 250

    9(42)-9(4)= 9(38) = 9(30)+9(8)
    = 270 + 72 = 342

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