minyoonglesx minyoonglesx
  • 22-05-2019
  • Mathematics
contestada

i am an odd number with 3 digits. The sum of my digits is 5. my first and last digits are the same. what am i?​

Respuesta :

ponton
ponton ponton
  • 22-05-2019

Step-by-step explanation:

Because our number is odd and the first digit is the same as the last one. Then let call it be aba.

a will contain {1,3,5,7,9} but we have

[tex]2a + b = 5 \\ [/tex]

then

[tex]2a < 5[/tex]

so a will be 1 and b will be 3.

Thus, I am 131.

Answer Link
jimrgrant1 jimrgrant1
  • 22-05-2019

Answer:

131

Step-by-step explanation:

The sum of 3 digits = 5 with first and last the same and is odd, then

3 digit number is 131

Answer Link

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