Solve for t in the equation frac 3 4 t frac 1 3... - WAEC Mathematics 2004 Question
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 option: d
(\frac{3}{4}t+\frac{1}{3}(21-t) = 11; \frac{3t}{4} + \frac{7}{1} - \frac{t}{3} = \frac{11}{1}<br /> \frac{3 \times 3t + 7\times 12 – 4 \times t = 11 \times 12}{12}<br /> 9t + 84 – 4t = 132; 5t = 132 – 84<br /> 5t = 48; t = \frac{48}{5} = 9\frac{3}{5})
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