frisha
14.07.2020 •
Mathematics
A bank offers a 1% annual interest rate for a savings account. Aaron puts $3,100 into an account to save for college. How much will be in the account after a year?
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Ответ:
$3,131
Step-by-step explanation:
1% of 3,100 is 31. 3,100 + 31 = 3,131.
Ответ:
Solution:
(1.031^4(15) = ( 1+r)^15
60 log 1.031 = 15 log (1 + r)
4log (1.031) = log ( 1 + r)
10^[4log(1.031)] = r + 1
10^[4log (1.031) ] - 1 =
r = 0.1299
= about 12.99%