Simple interest: find the time
Year 8 maths · Fieldbook Learning
Name ______________________ Date __________
Use interest = principal × rate × time, with the rate as a percent per year.
- £400 at 10% simple interest per year earns £80. For how many years was it invested?
- £600 at 2% simple interest per year earns £36. For how many years was it invested?
- £500 at 10% simple interest per year earns £150. For how many years was it invested?
- £400 at 2% simple interest per year earns £24. For how many years was it invested?
- £800 at 4% simple interest per year earns £64. For how many years was it invested?
- £1800 at 2% simple interest per year earns £108. For how many years was it invested?
- £1800 at 3% simple interest per year earns £54. For how many years was it invested?
- £500 at 2% simple interest per year earns £30. For how many years was it invested?
- £700 at 6% simple interest per year earns £42. For how many years was it invested?
- £700 at 6% simple interest per year earns £126. For how many years was it invested?
- £300 at 2% simple interest per year earns £12. For how many years was it invested?
- £2500 at 3% simple interest per year earns £75. For how many years was it invested?
- £4600 at 2% simple interest per year earns £460. For how many years was it invested?
- £2300 at 5% simple interest per year earns £115. For how many years was it invested?
- £2900 at 5% simple interest per year earns £870. For how many years was it invested?
- £1000 at 6% simple interest per year earns £300. For how many years was it invested?
- £7300 at 4% simple interest per year earns £584. For how many years was it invested?
- £5000 at 4% simple interest per year earns £400. For how many years was it invested?
- £8700 at 9% simple interest per year earns £6264. For how many years was it invested?
- £2700 at 8% simple interest per year earns £1080. For how many years was it invested?