Here is the answer. - $48
Here is the total bank savings. - $448
Here is the explanation. -
First, we need to find 4% of 400. We know that 10% is 40. So, 40/10...4.
So, now that we know 1% is 4, we just multiply 4 by how much percent we need: 4 :
So, 4% is $16
To get the total, we multiply 4% by 3 because it is 4% every year.
$48 is our answer.