B 5 9 2 July 8, 2019 16 32 64 128 9 *( 560 b 5 )= 27 5 b 2 )= 4b 9 1 7 2 b 9 5 B 1 5 *( b 9 10 2 Ezh 2 5 9 20 b 9 2b )-( b 5 )= 16 5 b 2 )= 4b 9 B 5 = 2b 9 A 15 5 b 9 20 and apb Solve for b 5 2b 9 5 b 7 )= 3 2b 9 B 9 3 5 28 A 4 2 b 5 2 9 A 8 5 9 24 b