katherine invested $140.she earned a simple interest of 4% per year on the initial investment. if no money was added or removed
from the vestment what was the amount of interst katherine received at the end of two years
2 answers:
I = p r t
Here, i = $140 (0.04) (2 yr) = $11.20 (answer)
I=PRT is the simple interest formula.
I=140*.04*2
I=$11.20
so, she got $11.20 in interest, and now she has $151.20 in the account.
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