2014
Mathematics
JAMB
The pie chart above shows the monthly distribution of a man's salary on food items. If he spent N8,000 on rice, how much did he spent on yam?
A.
N42,000
B.
N18,000
C.
N16,000
D.
N12,000
Correct Answer: N16,000
Explanation
Angle of sector subtended by yam = 360° - (70 + 80 + 50)° = 360° - 200° = 160° But (80°/360°) x T = 8000 T = (8000×360°)/80° = N36,000 Hence the amount spent on yam = (160°/260) × N36,000 = N16,000
Angle of sector subtended by yam = 360° - (70 + 80 + 50)° = 360° - 200° = 160° But (80°/360°) x T = 8000 T = (8000×360°)/80° = N36,000 Hence the amount spent on yam = (160°/260) × N36,000 = N16,000THIS WEEK's
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