Answer:
let
i= simple interest
p= principal
t= time
r=rate
data given
p=$720
r=4.25%
t= 3months
i=?
from the formula
i=prt
i=$720×(4.25/100)×3
i=$720×0.0425×3
i=$91.8
therefore simple interest for 3 months is $91.8
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