Solve for u
u = \frac{36}{13} = 2\frac{10}{13} \approx 2.769230769
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u=\frac{3}{13}\times 12
Multiply both sides by 12.
u=\frac{3\times 12}{13}
Express \frac{3}{13}\times 12 as a single fraction.
u=\frac{36}{13}
Multiply 3 and 12 to get 36.
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