Inclusive of a $$ 6.4 \% $$ sales tax, a diamond ring sold for $$ \$ 2,340.80 $$. Find the price of the ring before the tax was added. (Round to the nearest cent, if necessary.) A. $$ \$ 149.81 $$ B. $$ \$ 2,190.99 $$ C. $$ \$ 2,200.00 $$ D. $$ \$ 2,490.61 $$

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To find the price of the ring before the tax was added, we need to calculate the amount that represents the sales tax and then subtract that from the total price.

Let's denote the price of the ring before tax as $$ P $$.

The total price paid, including the sales tax, is $$ \$2,340.80 $$.

The sales tax rate is $$ 6.4\% $$, which can be written as a decimal as $$ 0.064 $$.

The sales tax amount is therefore $$ 0.064 \times P $$.

The total price paid is the sum of the price before tax and the sales tax:
$$ P + 0.064P = \$2,340.80 $$

Combining like terms, we get:
$$ 1.064P = \$2,340.80 $$

Now, we solve for $$ P $$ by dividing both sides of the equation by $$ 1.064 $$:
$$ P = \frac{\$2,340.80}{1.064} $$

Using a calculator, we find:
$$ P \approx \$2,190.99 $$

So, the price of the ring before the tax was added is approximately $$ \$2,190.99 $$.

The correct answer is:
B. $$ \$2,190.99 $$
The price of the ring before tax is approximately $$ \$2,190.99 $$.

Inclusive of a sales tax, a diamond ring sold for . Find the price of the ring before the tax was
added. (Round to the nearest cent, if necessary.)
A.
B.
C.
D.

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