When Jennifer is 30 years old in ten years, her sister Jordana will be 3*30=90 years old.

She's currently 10 years younger, so she's 90 - 10 = 80 years old

# Answer

80
<|im_start|>system
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<|im_start|>user
Jennifer will be 30 years old in ten years. At that time, her sister Jordana will be three times as old Jennifer. How old is Jennifer's sister now?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
80
Jennifer will be 30 years old in ten years. At that time, her sister Jordana will be three times as old Jennifer. How old is Jennifer's sister now?
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