Question

In Chicago, a person must pay 9.5% of the price of a couch in

sales tax. If the sales tax is $77.90, what is the price of the couch?

Answer 1

Answer: $820

Explanation:

Use a proportion

9.5/100 = 77.90/x

Multiply 77.90 times 100 and divide by 9.5, the answer is $820