To make \( t \) the subject of the equation \( s = \frac{1}{2}(u + v)t \), follow these steps:

1. **Multiply both sides by 2** to eliminate the fraction:
   \[
   2s = (u + v)t
   \]

2. **Divide both sides by \( (u + v) \)** to solve for \( t \):
   \[
   t = \frac{2s}{u + v}
   \]

So, the equation with \( t \) as the subject is:
\[
t = \frac{2s}{u + v}
\]

Would you like further explanation on any part of this process?

Here are some related questions:
1. How do you solve for \( s \) if \( t \), \( u \), and \( v \) are known?
2. What is the physical significance of the equation in terms of motion?
3. How would you solve the equation if \( u \) or \( v \) were negative?
4. How can this equation be applied in a real-world scenario, such as calculating time or speed?
5. What if there were an additional constant in the equation?

**Tip:** When making a variable the subject, isolate it step by step, performing inverse operations to simplify the equation.

Learn how to make t the subject in the equation s = (1/2)(u + v)t with a step-by-step solution. This problem involves manipulating linear equations and isolating variables. Suitable for students in Grades 7-9.

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