Answer:
10
Step-by-step explanation:
(85^4 - 75^4)/(85^3 + 85*75^2 + 75*85^2 + 75^3)=10
Answer:
(not an answer) I am so sorry, but I can't seem to understand what you're asking me. Please elaborate so i can help you! :(
Answer:
Step-by-step explanation:
y = A(1 - r)^t......y = value of car after t years.....A = original cost....r = rate of depreciation.....t = time in years
y = 12,282.50
A = 20,000
r = 15% = 0.15
12,282.50 = 20,000(1 - 0.15)^t
12,282.50 / 20,000 = 0.85^t
0.614125 = 0.85^t
log 0.614125 = t * (log(0.85))
t = (log 0.614125) / (log 0.85)
t = 3 <=== 3 years old