SOLUTION: In 36 years, Anna will be five times as old as she is today. How old is Anna?

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Question 513251: In 36 years, Anna will be five times as old as she is today. How old is Anna?
Answer by Maths68(1474) About Me  (Show Source):
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Let
Present age of Anna = a
In 36 years
a+36=5a
a+36=5a
a-5a=-36
-4a=-36
-4a/-4=-36/-4
a=9
Anna is 9 years old now.
In 36 years she will be =(36+9)= 45 (which is 5 times of 9)