Sandletvladollyyua Sandletvladollyyua

03-11-2015
Mathematics

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A concrete stepping stone measures 20 inches square. What is the area of 30 such tiles?

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03-11-2015

the stepping stone is 20x20
so the area of 1 stepping stone will be
A (1stone)=20*20=400 in²
for 30 tiles, the area will be
A(total)=400*30=12,000 in²

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