cody665
14.05.2021 •
Mathematics
A radioactive substance starts with 3400 pounds of substance. It decays at a rate of 35.6% each year. How much of the substance is left after 13 years?
A.1.11 lbs
b. 178178.33 lbs
c. .005 lbs
d. 11.14 lbs
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Ответ:
20%
100 shares at $45each cost 100*45 = $4500
After a year, he sold the share at the rate if $52 each and it cost 52*100 = 5200
He received dividend of $2 on each dollars meaning 100*2 = $200
So,
$5200+200 = 5400
Profit = $5400 - 4500 = 900
%profit = 900*100 / 4500 = 20