Your answer will be option B "+29 + +18." Equivalent means the same amount and according to the rules of KCC (Keep Change Change) +18 - -29 will convert into +18 + +29 which would equal 47 which is equivalent to option B.
[tex]+18 -29[/tex]
[tex]KCC=18+29[/tex]
[tex]18+29=47[/tex]
Option A -18 + 18 = 0
Option B +29 + +18 = 47
Option C -18 - +29 = -18 + -29 = -47
Option D -29 - -18 = -29 + 18 = -11
Therefore your answer is option B.
Hope this helps.
