The figure is a pie chart which represents the ... - WAEC Mathematics 2016 Question
The figure is a pie chart which represents the expenditure of a family in a year. If the total income of the family was Le 10,800,000.00, how much was spent on food?
A
Le 2,250,000.00
B
Le 22,700,000.00
C
Le 3,600,000.00
D
Le 4,500,000.00
correct option: c
sectoral angle representing food
= 360o - (80 + 70 + 90)o
= 120o
Amount spent on food
= (\frac{\tect{sectoral angle}}{360^o}) x Le 10,800,000
= Le 3,600,000
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