Since it arrived at a safari park, a giraffe's height has increased from 8
7D" id="TexFormula1" title="\frac{1}{2}" alt="\frac{1}{2}" align="absmiddle" class="latex-formula"> feet to 12 . By what percent has the giraffe's height increased? PLZ show your work and explain. A. 30%
B. 40%
C. 50%
D. 60%