Solve the interest and the new balance for the following scenarios:
1. $450 at 5.2% interest for 3 years
2. $250 at 3.75% interest for 5 years
3. $1,800 at 2.1% interest for 2 years
4. $1,500 at 2.9% interest for 2 years
5. $50 at 1.9% interest for 10 years
6. $300 at 0.7% interest for 8 years
7. $125 at 2.03% interest for 4 years
1. Interest: $70.20
New balance: $520.20
2. Interest: $46.88
New balance: $296.88
3. Interest: $75.60
New balance: $1875.60
4. Interest: $87.00
New balance: $1587.00
5. Interest: $9.50
New balance: $59.50
6. Interest: $16.80
New balance: $316.80
7. Interest: $10.15
New balance: $135.15