Question

Roy buys a coat for $86.40, which includes an 8% sales tax. Which equation could you use to find the cost of the coat,c, without the sale tax? Select all aply.

Answer 1

The cost of coat without sales tax is $ 80 .

Explanation:

Given as :

The cost of coat with sales tax = $ 86.40

The rate of sales tax = 8 %

Let The cost of coat without sales tax = $ c

So, c + 8% of c = $ 86.40

Or, 1.08 of c = $ 86.40

Or, c =
`(86.40)/(1.08)`

∴ c = $ 80

Hence The cost of coat without sales tax is $ 80 . Answer