Answer:
Two years in a row: 2.25%
Three years in a row: 0.3375%
Step-by-step explanation:
For two years in a row:
15/100*15/100
225/10000=
0.0225
0.0225*100 (for percentage)= 2.25%
For three years in a row:
15/100*15/100*15/100
3375/1000000=
0.003375
0.003375*100 (for percentage)=0.3375%