The pie chart above shows the expenditure of a ... - JAMB Mathematics 2006 Question

The pie chart above shows the expenditure of a family whose income is N30,000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

N 28 000

N 25 500

N15 000

N 12 500

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Correct Option: D

Expenditure on housing = x

Expenditure on food = 2x

Expenditure on school fees = 90^o

Expenditure on transport = 45^o

x + 2x + 90 + 45 = 360^o

3x + 135 = 360^o

3x = 360 - 135

3x = 225

x = 225/3 = 75^o

∴∠ for food = 2x = 2 * 75

= 150

360^o = N30,000

1^o = ?

1^o = 30,000/360

150^o = (30000/360) * (150/1)

= N12500

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