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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.

Respuesta :

Answer:

The cost of coat without sales tax is $ 80 .  

Step-by-step 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 = [tex]\frac{86.40}{1.08}[/tex]

∴  c = $ 80

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