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Posted by on Tuesday, April 19, 2011 at 3:35pm.

Sam has 9 models. Bill has twice as many models as Jim. Jim has three less models than Sam. Show how to find the difference between the number of models Bill has and the number of models Sam has.

  • Math - , Wednesday, April 20, 2011 at 12:34pm

    Sam = 9 (This is given in the first sentence.)

    Jim = 9-3 = 6

    Bill = 2(6) = 12

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