To calculate the total tax using the expression \(0.06(40 + 30)\), you'll first need to solve the expression inside the parentheses:
\[ 40 + 30 = 70 \]
Next, multiply by 0.06:
\[ 0.06 \times 70 = 4.2 \]
Therefore, the total tax is $4.20.
One way to calculate the total tax is 0.06(40 + 30). The total tax is $
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