Amina had m mangoes. She ate 3 and shared the remainder equally with her brother
MATHEMATICS
WAEC 1999
Amina had m mangoes. She ate 3 and shared the remainder equally with her brother Uche. Each had at least 10. Which of the following inequalities represents the statements above
- A. \(\frac{m}{2}-3\le 10\)
- B. \(\frac{m}{2}-3\ge 10\)
- C. \(\frac{m-3}{2}\ge10\)
- D. \(\frac{m-3}{2}\le10\)
Correct Answer: C. \(\frac{m-3}{2}\ge10\)
Explanation
Total number of mangoes = m
Amina ate 3 mangoes \(\implies\) Remainder = m - 3
Shared equally with Uche \(\implies \frac{m - 3}{2}\)
\(\frac{m - 3}{2} \geq 10\)
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