A sum of N18,100 was shared among 5 boys and 4 girls with each boy
MATHEMATICS
WAEC 2017
A sum of N18,100 was shared among 5 boys and 4 girls with each boy taking N20.00 more than each girl. Find a boy's share.
- A. N1,820.00
- B. 2,000.00
- C. N2,020.00
- D. N2,040.00
Correct Answer: C. N2,020.00
Explanation
Let a girl's share = x + 20
4x + 5(x + 20) = 18,100
4x + 5x + 100 = 18,100
9x + 100 = 18,100
9x = 18,000
x = \(\frac{18,000}{9}\)
x = 2,000
\(\therefore\) Each boy gets N(2,000 + 20)
= N2,020.
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