Answer
$b\gt 0.2$
Work Step by Step
First, get all the b's on one side by adding $1.5b$.
$2.7 + 3.5b \gt 3.4$
Then, subtract 2.7 to isolate $b$
$3.5b \gt 0.7$
Then, divide both sides by 3.5 to solve for $b$
$b\gt 0.2$
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