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27-04-2015
Mathematics

Answered

if the sum of the digits of a two-digit number is 7and the tens digit is one more than the ones digit, find the number.

Verified Answer :

27-04-2015

Set the ones digit to x. 2x+1=7, so 2x=6, so x=3.

x+1 is the tens digit, so the tens digit is 4 and the number is 43.

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