+0  
 
0
23
1
avatar

I need to find when a phone will be worth $200 when it is currently $649.82 that depreciates in value at the rate of 63% each year.

Guest Dec 6, 2018
 #1
avatar+14579 
+1

Value = 649.82 (1-.63)^t

   200 = 649.82 (1-.63)^t

200/649.82 = (.37)^t

.3077 = .37^t

log .3077 / log.37 = t=1.19 yrs      1 yr 68 days

ElectricPavlov  Dec 6, 2018
edited by Guest  Dec 6, 2018

8 Online Users

avatar

New Privacy Policy

We use cookies to personalise content and advertisements and to analyse access to our website. Furthermore, our partners for online advertising receive information about your use of our website.
For more information: our cookie policy and privacy policy.