Question

Brian invests £990 into his bank account. He receives 2% per year simple interest. How much will Brian have after 4 years? Give your answer to the nearest penny where appropriate

Answer 1

si=p*r*t/100

si=990*2*4/100

si=7920/100

=79.20

amount=p+/si

990+79.20

1069.2

Answer 2

Answer:

brian will get $ 1069.2 after 4 year

Given:-

• Brian invest ( principle )$ 990
• rate = 2%
• Time = 4

To find:-

• How much will Brian have after 4 years

Solution:-

Here,

$simple \: interest \: = \frac{p \times n \times r}{100} \\ \\ s.i = \frac{990 \times 4 \times 2}{100} \\ \\ s.i = \frac{396}{5} \\ \\ s.i = 79.2$

$now \\ \\ for \: \: amount \\ \\ amount = principle \: +s .i \\ \\ amount = 990 + 79.2 \\ \\ amount \: = 1069.2$

hence,

brian will get $ 1069.2 after 4 year