In the National Primary Drinking Water Regulations, the EPA has set a mercury level limit of .002mg Hg/L of H2O. If you drink 2.5 liters of bottled water per day, how many atoms of mercury could you potentially consume in a week?

Juanita wade's new car has an msrp of $28,902.11 including title and processing fees. the premier package which includes surround sound and dvd player costs three times the amount of the in-style package which includes leather seats and select wheels. the total cost of her new car was $34,290.08 which included the 6.5% sales tax. find the cost of the premier package to the nearest cent.