The sales tax rate for the state of Washington was $5.5 \%$.
What is the state sales tax on a $\$ 4,300$ car in Washington? $\$$
What is the final cost of the car, including tax? $\$ 4536.50$
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Step 1 ：The question is asking for the state sales tax on a $4,300 car in Washington. The sales tax rate is given as 5.5%. To find the sales tax, we need to multiply the cost of the car by the sales tax rate.

Step 2 ：Let's denote the cost of the car as \(car\_cost\) and it is $4,300.

Step 3 ：The sales tax rate is denoted as \(sales\_tax\_rate\) and it is 5.5% or 0.055 in decimal form.

Step 4 ：We calculate the sales tax by multiplying the cost of the car by the sales tax rate: \(sales\_tax = car\_cost \times sales\_tax\_rate\).

Step 5 ：Substituting the given values, we get \(sales\_tax = 4300 \times 0.055 = 236.5\).

Step 6 ：So, the state sales tax on a $4,300 car in Washington is \(\boxed{236.5}\) dollars.