Which expression is not equal to 28?

A.
(
9
+
25
÷
5
)
×
2
B.
[
(
13

4
×
2
)

1
]
×
7
C.
42
÷
6
+
28
÷
4
D.
7
×
[
8

(
12

4
×
2
)
]

3 answers

B. [(13 - 4 × 2) - 1] × 7 simplifies to (13 - 8) × 7 and then to 5 × 7, which equals 35, not 28.
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