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Posted by on Monday, August 13, 2012 at 9:55pm.

Kwan has modeled a number that is less than 999. His model has twice as many 100-blocks as 10-blocks. It has twice as many 10-blocks as 1-blocks. what is the number?

  • math - , Tuesday, August 14, 2012 at 4:35am

    Must be 421 or 842

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