9514 1404 393
Answer:
$112
Step-by-step explanation:
The amount of interest is given by the formula ...
I = Prt
where P is the principal earning interest at annual rate r for t years.
I = $400 · 0.08 · 3.5
I = $112
The amount would earn $112 in interest by the end of 3 1/2 years.
