Homework Help Forum: Year 4 maths

Posted by Bryan on Monday, November 2, 2009 at 12:51am.

I have 13 marbles, Tom has twice as many and Bill has twice the number that Tom has. How many marbles do we have between the three of us? Thank you

• Year 4 maths - Pragyan, Monday, November 2, 2009 at 4:57am

  i have 13 marbles tom has 13 x 2 = 26 marbles bill has 26 x 2 = 52 marbles hence 3 of us have 13+26+52 = 91 marbles

  
  

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