5 topics · every exam question type
🧮1. The SI FormulaSI = PRT/100, and SI as a fraction of the principal2 types💰2. Amount & PrincipalAmount = P + SI; find the principal back from the amount2 types⚖️3. Difference & Equal SIGap between two SIs, and equating two interests2 types🔀4. Split Sums & Rate SchemesMoney split in two parts; comparing/changing rates2 types📅5. Mixed & Date-BasedMulti-step problems and interest over exact days2 types