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Lin and Jen each thought of a number. Lin thought of a 2-digit number. Jen’s number is 7 times as big as Lin’s. But, if Lin writes 0 between the digits of her number, she’ll get Jen’s number.
Lin and Jen each thought of a number. Lin thought of a 2-digit number. Jen’s number is 7 times as big as Lin’s. But, if Lin writes 0 between the digits of her number, she’ll get Jen’s number. What are the numbers?