gracey287 gracey287

13-03-2021
Mathematics

contestada

The sum of the digits of a two-digit
number is 12. If the digits are interchanged,
the number is increased by 36. Find the
number

Respuesta :

garethgoh7 garethgoh7

13-03-2021

Answer:

48

Step-by-step explanation:

x+y=12

y=12-x

10y+x =10x+y +36

9y-9x=36

108-9x-9x=36

-18x=-72

x=4

y=8

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