plusultrakenny plusultrakenny

07-04-2020
Mathematics

contestada

10 - 25 - 6 + (-2)
-15 - 6+(-2) Step 1
-9 +(-2) Step 2
-11 Step 3
Which of the following best describes Marissa's mistake?

Respuesta :

cool1212 cool1212

21-04-2020

Answer:

Mistake is found in step 2 where the person did their math wrong. You see -15-6 is another way of saying -15 + -6 because of Keep Change Change (KCC). So, -15+-6= -21 and then add it to -2, which gives us -23.

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