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4 votes
Erica used friendly numbers to find 43-19 she added 1 to 19 and subtracted 1 from 43 what is erica's error? Explain

1 Answer

2 votes

Answer:

She didn't add 1 to 43 as well.

Explanation:

I she wants to use friendly numbers, she must do the same thing to both numbers

User Mustafa Mamun
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