Solve for t in the equation \(\frac{3}{4}t+\frac{1}{3}(21-t)\) = 11,
MATHEMATICS
WAEC 2004
Solve for t in the equation \(\frac{3}{4}t+\frac{1}{3}(21-t)\) = 11,
- A. \(\frac{9}{13}\)
- B. \(\frac{9}{5}\)
- C. 5
- D. \(9\frac{3}{5}\)
Correct Answer: D. \(9\frac{3}{5}\)
Explanation
\(\frac{3}{4}t+\frac{1}{3}(21-t) = 11; \frac{3t}{4} + \frac{7}{1} - \frac{t}{3} = \frac{11}{1}\\
\frac{3 \times 3t + 7\times 12
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