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anonymous
 5 years ago
Suppose that at the end of any given year an automobile is only worth 80% of it's value a the beginning of that year. If a car cost 21,000 new, what is it's value at the end of five years?
anonymous
 5 years ago
Suppose that at the end of any given year an automobile is only worth 80% of it's value a the beginning of that year. If a car cost 21,000 new, what is it's value at the end of five years?

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radar
 5 years ago
Best ResponseYou've already chosen the best response.01st yr .8x$21000=$16800 2nd yr .8 x 16800=13440 3rd yr .8 x 13440=10752 4th yr .8 x 10752=8601.60 5th yr .8 x 8601.60=$6881.28

radar
 5 years ago
Best ResponseYou've already chosen the best response.0Or as dumbcow stated\[21000*.8^{5}\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0BAM! both of you two were right! I just had to round down. Thanks so much on this one guys!

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0A company offers a starting yearly salary of 31,000, with raises of 2,000 per year. Find the total salary over a tenyear period.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Something tricky about this one, it's like 300k, or 400k sumthin...

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0First find salary at end of tenyear period A10 = 31000+(101)*2000 A10 = 49000 Then use series sum formula Sum = 1/2*n*(A1+A10) Sum = 1/2*10*(31000+49000) ...

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0thats left for you to compute ;)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0I am a bottom line kind of girl..... :)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0It doesn't add up.......hmmm...

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0what did you come up with?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Ah well.......I came up with a bunch of letters I don't understand.

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0what do you mean? Sum = 1/2*10*(31000+49000) sum= 5*(80,000) = 400,000

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0where did the 80k come from?

dumbcow
 5 years ago
Best ResponseYou've already chosen the best response.0yes sorry for the confusion

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Can you help the other Kelley? Same question, different numbers. Like 6 people are trying it now, and can't help her get this question!
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