The answer is either a or d but we know she did all of this for more than 52 minutes.
Your work appears to be correct.
The results from a graphing calculator are in agreement.
Answer:
$2,975
Step-by-step explanation:
Discount = Original Price x Discount %/100
Discount = 3500 × 15/100
Discount = 3500 x 0.15
You save = $525.00
Final Price = Original Price - Discount
Final Price = 3500 - 525
Final Price = $2,975.00