Grades 9-10 Video Solutions 2014-Levels 9&10 Video Solutions 2014 problem11

Levels 9&10 Video Solutions 2014 problem11

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In 2014, a grandmother, her daughter, and her granddaughter together are 100 years old, with each age being a power of 2. The grandmother is identified as 64 years old. Subtracting 64 from 100 leaves 36, which matches the ages of the daughter and granddaughter being 32 and 4, respectively. Thus, the granddaughter was born in 2010.