Question

the ones place digit of no. is three times the digit at tens place . form a linear equations for given information . if the sum of given no and no obtained by reversing its digit is 88 find the given no.

Answer 1

Let the two numbers be x and y

x = 3y ( given )

( 10x + y ) + ( 10y + x ) = 88 (given )

11x + 11y = 88

x + y = 8

Implies, 3y + y = 8

y = 2 and x = 6

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