Answer:
Interest = £45
Step-by-step explanation:
[tex]principal = 300 \\ rate \: = 5 \\ time \: = 3years \: \\[/tex]
[tex]simple \: interest \: = \\ \frac{principal \: \times rate \: \times time}{100} \\[/tex]
[tex]s.i \: = \frac{300 \times 5 \times 3}{100} \\ s.i \: = \frac{4500}{100 } \\ s.i \: = 45[/tex]
