Shau-uen solve the equation 18.5w+6.5w-2.8w=149.1 Her work is shown below
Step (1)
18.5w+6.5w-2.8w = 149.1^0
Step (2)
25w-2.8w = 149.1
Step (3)
-2.8w=5.964
Step (4)
W = - 2.13
In which step did Shaun make her first error?
A. Step 1
B. Step 2
C. Step 3
D. Step 4
Answers (1)
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