Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother times her age?
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Sally is 54 years old and her mother is 80, how many years ago was Sally’s mother times her age?
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Answer:
LET US CONSUME X YEARS BACK
SALLY MOM AGE IS 3 TIMES OF SALLY AGE HENCE
3(54_X)=80_X
162_X=80_X
162_80=3X/X
82=2X
X=82/2=
X=41