Answer:
$472
Step-by-step explanation:
Given data
Rate= 3.6%
Principal= £400
Time = 5 years
Let us apply the simple interest expression for the final amount A
A= P(1+rt)
substitute
A=400(1+0.036*5)
A=400(1+0.18)
A=400*1.18
A=$472
Hence she will have $472 in her account after 5 years