Question

The tax rate as a percent, r, charged on an item can be determined using the formula StartFraction c Over p EndFraction minus 1 equals r. – 1 = r, where c is the final cost of the item and p is the price of the item before tax. Louise rewrites the equation to solve for the final cost of the item: c = p(1 + ). What is the final cost of a $40 item after an 8% tax is applied?

Answer 1

The final cost of a $40 item after an 8% tax is applied is $43.2

Step-by-step explanation:

The formula used by Lousie

$c=p(1+r)$

Given, price of an item p = $40

r = 8% = 0.08

Therefore,

$c=40(1+0.08)$

$\implies c=40\times 1.08$

$\implies c= 43.2$

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Answer 2

Answer:

$43.20

Step-by-step explanation: $43.20