A musician purchases a sound amplifier with an original price of . The store is offering a promotional discount on all electronics. After the discount is applied, a state sales tax is added to the purchase. What is the final total cost the musician pays?
- A
- B
- Cevap
- D
Cevap
The final total cost is .
To find the final cost, you must first calculate the 15% discount on the original 350 \times 0.15 = 350 - 297.50). Next, calculate the 6% sales tax based strictly on this new subtotal ( 17.85). Finally, add the sales tax to the discounted subtotal to find the final total cost ( 17.85 = $315.35).
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Anahtar Kavram
Calculating sequential percentages by applying a discount to an original base price, and then calculating tax based on the new discounted subtotal.