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Answer:
Original no. = 36
New no. = 63
Step-by-step explanation:
Let the tens digit = x
units digit = 2x
Original no. = 10x + 2x
= 12x
New no. = 10*2x + x
= 21x
21x - 12x = 27
9x = 27
x = 3
2x = 6
Original no. = 36
New no. = 63
Hope this helps!!!!
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