Sales tax on an item is directly proportional to the cost of the item purchased. if the tax on a $600 item is $42, what is the sales tax on a $930 item?

Sales tax is $42 on a $600 item, so
sales tax rate = 42/600 = 7%
Tax on $930 item
=$930 * sales tax rate
=$930*7%
=$65.10

Answer: the correct answer is 10step-by-step explanation: let the number be n, then the expression becomes,then“twelve more than the quotient of a number and two, decreased by four” iswhen n=4,we substitute 4 whetever we see n to get,we simplify to obtain,we further simplify to get,therefore the correct answer is c.