 
<translate> Mary gbalịrị ime ka ahụ ike ya ka mma site n'ịgbanwe ihe ọ na-eri, ma ibu ya rịgoro elu dị ka yo-yo. Na mbụ, ọ tụfuru kilogram iri na ise. Mgbe e mesịrị, ọ dịzi arọ okpukpu abụọ karịa otú ọ dịbu. Mgbe ahụ, ọ dị arọ okpukpu atọ karịa otú ọ dị na mbụ. Ma n'ikpeazụ, ọ tụtụkwuru kilogram iri na abụọ. Ọ bụrụ na ọ dị kilogram iri itoolu na itoolu mgbe ọ malitere iri nri na-edozi ahụ́, olee otú ọ dị n'arọ mgbe o mechara ya? Echiche ndị dị aṅaa? Ntụziaka nzọụkwụ site na nzọụkwụ: <eng> Mary tried to improve her health by changing her diet, but her weight bounced like a yo-yo. At first, she dropped a dozen pounds. Then, she added back twice the weight that she initially lost. Then, she dropped three times more weight than she initially had lost. But finally, she gained back half of a dozen pounds. If she weighed 99 pounds at the start of her change in diet, what was her final weight, in pounds?
Thoughts? Step-by-step reasoning: 