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The sum of the digits of a two digit number is 16. The number obtained by interchanging the digits is less by 18 than the original number.Find the two digit number. |
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Answer» let digit on tens place be X and ones place be y x+y = 16-----------------------------(1) 10y+x = 10x +y -18 9x-9y = 18 x-y =2-------------------------(2) Solving (1) & (2)'by elimination, x=9, y=7 Therefore the two-digit no. is 97 Mark as BRAINLIEST plz |
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