Marvinking458 Marvinking458
  • 03-07-2017
  • Mathematics
contestada

Rita is adding 3 + (–8) + 1. She rewrites the expression as 3 + (–1) + 8.
What is Rita’s error?

Respuesta :

adri39 adri39
  • 03-07-2017
That the one is always positive
Answer Link
koziadam koziadam
  • 03-07-2017
Wrong order lol.

3+(-8)+1 = 3-8+1 = -5+1= 4
3+(-1)+8 = 3-1+8 = 2+8 = 10

*cynical mode*
Rita's error is not doing simple math the way it is intended. There is no need to rewrite any simple expressions at all. Exactly like useless common core.
Answer Link

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