The cost of an item is 100% of its price. What number goes in place of ? in the addition problem?

I believe this is the complete problem. Anton bought a picnic cooler. His total bill, with tax, was $7.95. He paid 6 percent sales tax. How much did he pay for the cooler alone without the tax The cost of an item is 100% of its price. What number goes in place of in the addition problemThe answer is the below:He paid $7.473 without tax because $7.95 x 96% or (0.96) =$7.473