Dr. Small will take 18 years to disappeare completely after losing 2 inches per year. So if it takes Dr. Samll 18 years to dissapere, Ms Tall will grow...
18 x (2/3) = 12 inches
So Ms Tall has grown 12 inches in 18 years.
96+12= 108 inches
Ms Tall will be 108 inches tall by the time Dr Small has disappeared completely.
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