Let's go through the items on the worksheet and check whether each one represents a rate, and if so, convert it to a unit rate:

1. 5 humans to 10 hands

   • Not a rate (N)
     This is a simple ratio, not a rate involving two different units. Humans and hands are directly related in a fixed ratio.

2. P300 per 2 hours of work

   • Rate (R)
     The unit rate is $\frac{P300}{2 \text{ hours}} = P150$ per hour.

3. P300 to 2 kg of rambutan

   • Rate (R)
     The unit rate is $\frac{P300}{2 \text{ kg}} = P150$ per kilogram.

4. 20 meters in 5 seconds

   • Rate (R)
     The unit rate is $\frac{20 \text{ meters}}{5 \text{ seconds}} = 4 \text{ meters per second}$.

5. 24 miles in every 8 hours

   • Rate (R)
     The unit rate is $\frac{24 \text{ miles}}{8 \text{ hours}} = 3 \text{ miles per hour}$.

6. P30,000.00 in 3 square meters

   • Rate (R)
     The unit rate is $\frac{P30,000}{3 \text{ m}^2} = P10,000$ per square meter.

7. 60 seconds per minute

   • Not a rate (N)
     This is a definition, not a rate, as seconds and minutes are both units of time.

8. 6 inches in half ruler

   • Not a rate (N)
     This is a measurement of length, not a rate.

9. 6 apples in 3 every oranges

   • Rate (R)
     The unit rate is $\frac{6 \text{ apples}}{3 \text{ oranges}} = 2 \text{ apples per orange}$.

10. 15 candies in every P60.00

    • Rate (R)
      The unit rate is $\frac{15 \text{ candies}}{P60} = 0.25 \text{ candies per peso}$.

Would you like further details or explanations on any of these? Here are five related questions to deepen your understanding:

1. How do you differentiate between a ratio and a rate?
2. Can you find another example of a rate involving distance and time?
3. How would you convert a rate of 5 miles per hour to kilometers per hour?
4. Why is "60 seconds per minute" not considered a rate?
5. How can we interpret unit rates in real-life scenarios, such as in shopping or travel?

Tip: Always simplify rates to their unit form, which makes comparisons and applications easier.