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Pepsi [2]
3 years ago
6

Shown below is a problem Margaret solved and the steps she used to solve it. Margaret has entered this problem incorrectly. What

misunderstandings does Margaret have? Show your work.
1/2 (64 + 5) - 0.2 (-20 +10)
1/2 (69) - 6
34.5 - 6
28.5


(paper due on 11/5/18
Mathematics
1 answer:
leva [86]3 years ago
7 0

She has distributed the bracket incorrectly

\frac{1}{2}(64 + 5) - 0.2(- 20 + 10)

= \frac{1}{2}(69) - 0.2 (- 10)

=34.5 + 2

= 36.5



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