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Posted by **Nam** on Monday, April 12, 2010 at 10:37pm.

a. How many 1 sq ft tiles does she need? I calculated 288 tiles

b. She changes her mind and wants to use 4 in by 4 in square tiles. How many square tiles does she need? I'm stump on how to answer this part of the question

- Math -
**PsyDAG**, Tuesday, April 13, 2010 at 3:38pma. correct

b. 1 foot = 12 inches = 4" * 3

Therefore each square foot tile = 3 * 3 4-inch square tiles.

Can you take it from there?

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