Question

The digit at tens place of a two-digit number is three times the digit at ones place if the digit at one's place is x, then the number in terms of x is ____

Answer 1

Step-by-step explanation:

digit in ones place = x

digit in tens place = thrice the digit in units place

= 3x

number = 10(3x) + x

= 30x + x

= 31x

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