Answer:
the answer for that equation is 58.8
3 \frac{5}{12} / 2 \frac{1}{6}
To figure out sales tax you have to divide 8.5% by 2.35. Which is 3.67% sales tax. I hope i answered your question!
Let the number of CD's be x and total cost be y
y=7x-10
*the 7 comes from the price of each individual CD ($7)
*the 10 comes from the discount ($10)