Answer:
$84.00
Explanation:
You want the original price of a tennis racquet if its final price after a 25% discount and 7% tax is $67.41.
Price with tax
Tax add 7% to the price, so multiplies it by (1 +7%) = 1.07
Discount
The 25% discount subtracts 25% of the original price, so multiplies it by ...
(1 -25%) = 1 -0.25 = 0.75
Final price
Then the final price is computed as ...
final price = (original price)·(0.75)·(1.07)
Dividing by the coefficients of the original price, we find it to be ...
original price = (final price)/(0.75 · 1.07) = $64.71/(0.75·1.07) = $84.00
The original price of the racquet is $84.00.