Mathematics, 08.05.2021 17:00 borgesalfonso12

If the number 4 is placed at the right end of a two-digit number BC, the value of the three-digit number thus formed is 247 more than BC. What is the original two-digit number BC?

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If the number 4 is placed at the right end of a two-digit number BC, the value of the three-digit nu...