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?
Attached Figure / Diagram
A
Le 2,250,000.00
B
Le 22,700,000.00
C
Le 3,600,000.00
D
Le 4,500,000.00
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
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
Source: Myschool Past Questions Archive (Record #46180)