The answer is 18 because u multiply when u see the word of
Answer/valor de x is x=21
I think this question is a part of another question; you can have any ratio that can add up to 114 cm.
You could use simple factoring to solve this. You would factor out a 7 and then have
7(3+4m) = A
l x w = A
w= 3 +4m
4??? fish??? if it's a trick question, then the answer is probably fish :o)