vmosley8406 vmosley8406
  • 23-12-2017
  • Mathematics
contestada

The sum of the digits of a two-digit number is 14. if the digits are reversed, the new number is 18 more than the original number. find the original number.

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lesliekolleroxrkcf
lesliekolleroxrkcf lesliekolleroxrkcf
  • 28-12-2017
let t = tens digit
let o = ones digit
number is 10t+o

t+0=14

10o+t=18+10t+o

9o-18=9t
o-2=t
o-2+0=14
2o=16
o=8
t=6
original number is 68
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