Roy is 11 years old and his uncle is 59 years old.how many years ago was roy ,s uncle 7 times as old as roy.
1 answer:
59-x=7(11-x)=59 yrs
59-x=77-7x
-x+7x-77-59
6x=18
x=18^6=3
so 3 years ago uncle's age is 7 times of Roy's age.
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