Sophie wrote a two-digit number on the board. Max wrote the digit 3 to the right of it and got a number that is bigger than the Sophie's number by 372. What number did Sophie write on the board? Sophia wrote the number

Sophia wrote the number 41.

Step-by-step explanation:

Let x by the two-digit number written by Sophie. Max appended a 3, so the new number is 10x+3.

The difference between Max's and Sophie's numbers is 372:

(10x+3)-x=372

9x+3=372

9x=369

x=41.

So, Sophie's number was 41.

step-by-step explanation:

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