car for 25,350 with 5.5% sales tax. Find the amount of tax and total cost.
Percent means "per hundred". 5.5 % means 5.5/100 = 0.055
"5.5% of something" means "5.5% * something"
The sales tax is: 5.5% * 25 350 = 0.055 * 25 350 = <your answer>
Total cost = 25 350 + sales tax = <your answer>