SOLUTION: The total cost of an item in dollars, including a 6% sales tax, can be determined by the expression x + 0.06x, where x is the cost of the item before the tax. Determine the total c
Algebra ->
Finance
-> SOLUTION: The total cost of an item in dollars, including a 6% sales tax, can be determined by the expression x + 0.06x, where x is the cost of the item before the tax. Determine the total c
Log On
Question 1120420: The total cost of an item in dollars, including a 6% sales tax, can be determined by the expression x + 0.06x, where x is the cost of the item before the tax. Determine the total cost of an item whose cost before tax is $390.
a. $425.80
b.$411.06
c.$413.40
d.$423.40 Answer by Boreal(15235) (Show Source):