img_20170112_130057 Published on January 12, 2017 in Tricky Maths Puzzle : Use the key to find the missing letterFull resolution (980 × 697) ← Previous
for me the missing letter is D=8. 23(S)-6(B)=17-6=11(G); 20(P)-6(B)=14-6=8(D). D+S=31; G+P=31;
S=23 + B=6 + G=11 (23+6+11) = 40
P=20 + B=6 + J =14 (20+6+14) = 40
My answer is The letter J