Grandmother is 80 years old and sonu is 20 years old how many years ago was his grandmother 7 times as old as sonu
Answers
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2
Answer:
10 years ago.
Step-by-step explanation:
Let the no. of years be x.
Grandmother's age x years ago was = 80-x
Sonu's age x years ago was = 20-x
According to the problem:
(80-x) = 7(20-x)
x = 10
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