Wangari plants trees at a constant rate of 12 trees every 3 hours. Write an equation that relates $$ p $$, the number of trees Wangari plants, and $$ h $$, the time she spends planting them in hours. $$ \square $$

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To establish a relationship between $$ p $$ (the number of trees Wangari plants) and $$ h $$ (the time in hours she spends planting), follow these steps:

1. **Determine the Planting Rate:**
   
   Wangari plants **12 trees every 3 hours**. To find the rate at which she plants trees per hour:
   
   $$
   \text{Rate} = \frac{12 \text{ trees}}{3 \text{ hours}} = 4 \text{ trees per hour}
   $$

2. **Formulate the Equation:**
   
   Since Wangari plants trees at a constant rate, the number of trees $$ p $$ she plants is directly proportional to the time $$ h $$ she spends planting. This relationship can be expressed as:
   
   $$
   p = (\text{Rate}) \times h
   $$
   
   Substituting the rate we found:
   
   $$
   p = 4h
   $$

3. **Final Equation:**
   
   $$
   p = 4h
   $$
   
   **Where:**
   - $$ p $$ is the number of trees planted.
   - $$ h $$ is the time in hours spent planting.

This equation means that for every hour Wangari spends planting, she plants 4 trees.
$$ p = 4h $$

Wangari plants trees at a constant rate of 12 trees every 3 hours. Write an equation that relates \( p \), the number of trees Wangari plants, and \( h \), the time she spends planting them in hours. \( \square \)

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