8d = 5d+18
8d-5d = 18
3d = 18
d = 6
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5d+3d = 15 8d = 15 d = 15/8 = 1.875
8d of course
2(5c + 2d)(5c + 2d)
62•4= 4•2=8 6•4=24 so add the two #'s and you get 248 8D
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