Answer:
The final cost of the bike is 333 dollars and 90 cents.
Step-by-step explanation:
First calculate the tax rate:
[tex]315 \times 0.06 = 18.9[/tex]
Total amout of tax is 18.9 dollars.
Then add the tax rate and the original price together:
[tex]315 + 18.9 = 333.9[/tex]
The final cost of the bike is 333.9 dollars.