Nisha did the work below to solve an equation.

Step 1 7 b + 3.2 b minus 5 = 18.92

Step 2 10.2 b minus 5 = 18.92

Step 3 5.2 b = 18.92

Step 4 b = 3.64

In which step did Nisha make her first error?

31,32,32,33,34,35,35,35,35 what number is the mode?

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