SOLUTION: John has 315 pieces of square tiles. Find the minimum number of such tiles that he should buy so that he can lay a large perfect square

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Question 718134: John has 315 pieces of square tiles.
Find the minimum number of such tiles that he should buy so that he can lay a large perfect square

Answer by jsmallt9(3758) About Me  (Show Source):
You can put this solution on YOUR website!
Just find the first perfect square that is larger than 315. The number to buy will be that perfect square minus 315. [Hint: 17%5E2+=+289]