waecmaths question:
A machine valued at N20,000 depreciates by 10% every year. What will be the value of the machine at the end of two years
Option A:
N16,200
Option B:
N14,200
Option C:
N12,000
Option D:
N8,000
waecmaths solution:
10% of N20000 =N2000
1st year , the machine would have depreciated by N2000, the new price will be N18000
10% of the N18,000 = N1,800
2nd year, the machine would have depreciated by N1800, the new price will be N16,200
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