frankyounh33 frankyounh33
  • 09-05-2017
  • Mathematics
contestada

The sum of the digits of the digits of a certain two- didgits number is 16. Reversing its digits decreases the number by 18. What is the number

Respuesta :

gaby93 gaby93
  • 09-05-2017
Let x= the first digit
Let y= the second digit
X+Y=16 X-Y=18
2X=34 2X/2=34/2
X=17
17+Y=16 Y=-1
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