WAEC Mathematics 2017 Objective — Question 10

Question 10 of 50 from the West African Examinations Council (WAEC) Mathematics 2017 Objective paper, with the correct answer and a full explanation.

A sum of #18,100.00 was shared among 5 boys and 4 girls with each boy taking #20.00 more than each girl. Find a boy's share

A. A. #1,820.00
B. B. #2,000.00
C. C. #2,020.00Correct
D. D. #2,040.00

Explanation

Let a girl's share be #x. Each boy receives #(x+20). Total: 5(x+20)+4x=18,100 → 5x+100+4x=18,100 → 9x=18,000 → x=#2,000. A boy's share = 2,000+20 = #2,020.

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