Age today
Algebra
Level
1
Ana's age 26 years from now is 3 times her age 10 years ago. How old is she?
The answer is 28.
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1 solution
let A be the present age of Ana, then
A + 2 6 = 3 ( A − 1 0 )
A + 2 6 = 3 A − 3 0
2 A = 5 6
A = 2 8