$129.6
you do 100 times .08 and get 8 so 100 + 8 = 108
then you do 108 times .20 and get 21.6 so 108 + 21.6 = 129.6
Put one point at -10,6 and another at 6,-10
Each tile must be 9 by 9.
<span>315 / 9 = 35 </span>
<span>108 / 9 = 12 </span>
<span>A = 35 * 12</span>