13,7/4=9t/3,6

To solve the equation \(13.7/4 = 9t/3.6\), you can cross-multiply to solve for \(t\): \[ 13.7 \times 3.6 = 9t \times 4 \] Calculating each side: \[ 49.32 = 36t \] Now, divide both sides by 36 to find \(t\): \[ t = \frac{49.32}{36} \approx 1.37 \] So, \(t \approx 1.37\).