Twenty. 5(4 letters) times 4 (4 letters) = 16...
4(4 letters) times 7(5 letters) = 20
20 is the answer 5(five)=4 letters 7(seven)=5 letters 4X5=20
IF 1,3,3=5 9,7,4=8 11,14,10=15 20,16,12=18 Than 3,6,7=?
If 2,6=5 4,9=7 6,11=8 8,15=11 then 12,18=?
On behalf of Sture Sjöstedt