# Holly's grandfather is 52 years older than her. In 7 years, the sum of their ages will be 70. Find Holly's present age

Holly's grandfather is 52 years older than her. In 7 years, the sum of their ages will be 70. Find Holly's present age
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Preston Buckley
H is Holly’s age, G is her grandfather's.
H+52=G
H+7+G+7=70
So
H−G=−52
H+G=56
Therefore,
H=4