24874divided by 17 ,which digits should one change in the first number to increase the answer by 100

We can solve this using the algebra guidelines below

We know that 24874/17 is some value,

24874/17 = n

And we know that some unknown number divided by 17 should equal that number plus 100.

a/17 = n + 100

All we have to do is solve for a.

a = 17n + 1700
a = 17(24874/17) + 1700
a = 24874 + 1700
a = 26574