Mr. Quddus rents a room for N months. He pays Tk. K for each of the first 7 months, and half that rate for each additional month. Find the total charge if N > 7.
A. 7k+2kn
B. 7k+n/2
C. K+2k(n-7)
D. K+k/2(n-7)
E. 7k+k/2(n-7)
সঠিক উত্তরঃ
E.
7k+k/2(n-7)
Explanation:
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