2018
Mathematics
JAMB
The pie chart shows the monthly expenditure of a public servant. The monthly expenditure on housing is twice that of school fees. How much does the worker spend on housing if his monthly income is N7200?
A.
1000
B.
2000
C.
3000
D.
4000
Correct Answer: 2000
Explanation
Let the angle for school fees = x° Then Housing = 2x° 120° + 90° + x° + 2x° = 360° 3x° = 150° ⟹ x° = 50°. Amount spent on housing = 100/360 × 7200 = N2000.
Let the angle for school fees = x° Then Housing = 2x° 120° + 90° + x° + 2x° = 360° 3x° = 150° ⟹ x° = 50°. Amount spent on housing = 100/360 × 7200 = N2000.THIS WEEK's
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