Simplify \(5\frac{1}{4}\div \left(1\frac{2}{3}- \frac{1}{2}\right)\)
MATHEMATICS
WAEC 2002
Simplify \(5\frac{1}{4}\div \left(1\frac{2}{3}- \frac{1}{2}\right)\)
- A. \(1\frac{3}{4}\)
- B. \(3\frac{1}{2}\)
- C. \(4\frac{1}{2}\)
- D. \(8\frac{1}{2}\)
Correct Answer: C. \(4\frac{1}{2}\)
Explanation
\(5\frac{1}{4}\div \left(1\frac{2}{3}- \frac{1}{2}\right)\\
\frac{21}{4}\div \left(1\frac{4-3}{6}\right)\\
\frac{21}{4}\div \left(1\frac{1}{6}\right)\\
\frac{21}{4} \times \frac{6}{7}= 4\frac{1}{2}\)
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