Question 22

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Jambmaths question: 

The pie chart above show the expenditure of a family whose income sN30,000, if the expenditure on food is twice that on housing and that school fee is twice that on transport, how much the family spends on food?

Option A: 

N28,000

Option B: 

N25,000

Option C: 

N15,000

Option D: 

N12,500

Jamb Maths Solution: 

Amount spent on school $\frac{{{90}^{o}}}{360}\times 30,000=N7,500$

Amount spent on transport = ½ (Amount spent on schools fee) = ½ (N7,500) = N3,750

Let the amount spent on housing be x

The amount spend on food will be 2x

Total amount =x + 2x + 3750 + 7500=30000

 3x+11,250 =30,000

 3x = 18750

 x = 6250

The amount spent on food = 2(N6,250)= N12,500

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