The total cost of 2 chair was x dollar , which included 6 percent sales tax. Each chair cost the same amount. To the nearest dollar, what was the cost of 1 chair, not including sales tax?
(1)x=146.28
(2)The sales tax for the 2 chairs was $8.28
Ans:D
我想請問他只給cost 沒給sales price阿..那怎樣知道tax 是多少勒?