SOLUTION: If half of the dimes in the United States disappear every 37 years –
and are not replaced – how long will it take for the 4.2 billion dimes
minted last year to be virtually all g
Algebra.Com
Question 1099038: If half of the dimes in the United States disappear every 37 years –
and are not replaced – how long will it take for the 4.2 billion dimes
minted last year to be virtually all gone?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If half of the dimes in the United States disappear every 37 years –
and are not replaced – how long will it take for the 4.2 billion dimes
minted last year to be virtually all gone?
------------
d = # of dimes, t = # of 37 year periods
d = 4.2e9*0.5^t
"virtually all gone" is not clearly defined math term.
-----
At t = 10, d = 976,563 --> 370 years
At t = 20, d = 954 --> 740 years
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