SOLUTION: my sister is 5 years older than i am. in 5 years, she will be 18 years old. how old am i?

SOLUTION: my sister is 5 years older than i am. in 5 years, she will be 18 years old. how old am i?

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Question 918095: my sister is 5 years older than i am. in 5 years, she will be 18 years old. how old am i?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!
x your age (the age compared to)
sister + 5 = 18
(x+5) + 5 = 18
x = 8,your age. sister is 13
and..checking..in 5 years
13 + 5 = 18
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