Simple or compound?
Exercise and reference answers
- Items
- Item
- Base is the original principal
- Category
- Simple interest
- Item
- Same interest every year
- Category
- Simple interest
- Item
- Three years is three times one year
- Category
- Simple interest
- Item
- Base is last year's amount
- Category
- Compound interest
- Item
- Interest rises year on year
- Category
- Compound interest
- Item
- A bank passbook where interest grows
- Category
- Compound interest
- Categories
- Item
- Simple interest
- Item
- Compound interest
Explanation
The base is what differs: the original principal, or the amount so far. Source: syllabus Maths, Ch 7 Comparing Quantities.