roma20101 roma20101

21-10-2019
Mathematics

contestada

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

Respuesta :

catgirl29 catgirl29

21-10-2019

Answer:

She didn't add 1 to 43 as well.

Step-by-step explanation:

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

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