Question 976560
sue's mom said: 'i am four times your age, and your grandma is twice my age. when i am grandma's age you will be 45' how old is sue
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let x=sue"s age
4x=mom's age
8x=grandma's age
grandma is 4x older than mom
x+4x=45 (sue's age plus mom at grandma's age)
5x=45
x=9
how old is sue? 9