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3 years ago

You bought a sandwich for 12.40 it includes the tax 5% what is the cost of the sandwich before tax?

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

8 0

Answer: $11.81✔️cost of the sandwich before tax

Step-by-step explanation:

Let C = cost before tax

Cell phone costs = C + C·5% = $12.40

C(1 + 0.05) = $12.40

C = $12.40/1.05 = $11.81 , cost before tax

Answer: $11.81✔️ cost of the sandwich before tax

<h3>Checking</h3>

Cell phone after tax = $11.81 + $11.81·5/100

Cell phone after tax = $11.81 + $0.59 = $12.40✔️checked!

<h2><em>Spymore </em></h2>

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