 Name: ___________________Date:___________________

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### Grade 8 - Mathematics9.27 Simple Interest - III

 Example: P = \$27,600, I = \$2484 and R = 3%, then find the time. Solution: Formula I = PTR/100 Where I = Interest, P = Principal, T = Time and R = Rate or interest. Therefore: T = (I*100)/(PR) Substituting the given values in the above formula. T = (2484 * 100) / (27600 * 3) T = 248400 / 82800 T = 3 years. Directions: Solve the following problems. Also write at least ten examples of your own. Name: ___________________Date:___________________

### Grade 8 - Mathematics9.27 Simple Interest - III

 Q 1: P = \$21,900, I = \$2,190 and R = 5% then find Time.3 1/2years3years2years2 1/2years Q 2: P = \$2,600, I = \$390 and R = 5% then find Time.5years3years4years2years Q 3: P = \$21,900, I = \$3,285 and R = 3% then find Time.5years3years4years6years Q 4: P = \$12,700, I = \$571.5 and R = 3% then find Time.2 1/2years1years1 1/2years2years Q 5: P = \$27,600, I = \$1,104 and R = 2% then find Time.3years3 1/2years2 1/2years2years Q 6: P = \$76,800, I = \$6,912 and R = 3% then find Time.2 1/2years3 1/2years3years2years Q 7: P = \$77,600, I = \$7,760 and R = 5% then find Time.1 1/2years2 1/2years2years1years Q 8: P = \$57,600, I = \$1,152 and R = 2% then find Time.2 1/2years1 1/2years2years1years Question 9: This question is available to subscribers only! Question 10: This question is available to subscribers only!