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Ankit Pandey · Answer 1 · 2019-01-19T07:30:48+0000

Unsure of what you meant by "suing a model."

We could estimate the difference: 460 - 260 = 200.

Or we could do the actual subtraction:

463

-259

---------

204 (exact difference)

Ask your niece to explain to you what that "model" is all about.