Susan solved 200-91 and decided o add her answer to 91 to check her work. Explain why this strategy works

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asked Mar 25, 2018 20.5k views

2 Answers

Mattisdada · Answer 1 · 2018-03-30T05:59:33+0000

This strategy works because you would want to make sure that the two numbers add up to the number you subtracted it from. Hope this helped and have an awesome day!

Susan solved 200-91 and decided o add her answer to 91 to check her work. Explain why this strategy works

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