Class 7- MATHEMATICS
    About Lesson

    Chapter : Percentage

    Simple interest (I) = (PRT)÷100

    Where P = Principal, T=numbet of years , R=Rate

    Amonut (A)=P+I

    Rate (R) = (I x 100)÷(PxT)

    Principal (P)=(I x100)÷(RxT)

    Time(T)= (Ix100)÷(PxR)