For how many years?
In any case I will give you the formula & you will plug into the number of years"
Remaining Value (or Salvage Value) = initial cost(1 - rate%)^n(number of years
Remaining value after n years = 15000(1-23%)^n
For this case we must solve the following equation:

To solve we follow the steps below:
Subtracting 6 from both sides of the equation:

Equal signs are added and the same sign is placed:

We multiply by -1 on both sides of the equation:

We divide between 4 on both sides of the equation:

Thus, the solution of the equation is 
Answer:

Oscar is correct.
When you calculate discounts & sale price, you do not add them. With sales tax, you only tax what you pay for.
Find the discount price
28.50 • 0.3 = 8.55
Subtract
28.50 - 8.55 = 19.95
Find the sales tax
19.95 • 0.1 = 1.99
Add sales tax
19.95 + 1.99 = 21.94
Oscar paid $21.94
Since Kim wants the same book, she is going to pay the same price.
Answer:
pay, say, dip, day, pal, spa, pas.
Step-by-step explanation: