12.1 is greater than 12.05
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121, 144, 169, 196, 225, 256, 289, 324, and 361. 121 144 169 196 225 256 289 324 361
The first five square numbers greater than 100 are 121, 144, 169, 196, and 225.
7^2=49 < 50 < 8^2=64 < 9^2=81 < 10^2=100 < 110 < 11^2=121 so there are 3 perfect squares greater than 50 and less than 100 viz. 64, 81 and 100.
Subtracting 20 percent from 121 gives 121 x (1 - (20/100)) = 121 x 0.8 = 96.8.