What is the ratio of 30 minutes to 2 hours?

To find the ratio of 30 minutes to 2 hours, you should first express both quantities in the same unit.

1. **Convert 2 hours to minutes:**
   \[
2 \text{ hours} = 2 \times 60 = 120 \text{ minutes}
   \]

2. **Now, express the ratio:**
   \[
\text{Ratio} = \frac{30 \text{ minutes}}{120 \text{ minutes}} = \frac{30}{120} = \frac{1}{4}
   \]

So, the ratio of 30 minutes to 2 hours is **1:4**.

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### Related Questions:
1. How do you simplify ratios involving different units?
2. What is the ratio of 45 minutes to 3 hours?
3. How can you express a ratio as a fraction?
4. What is the ratio of 15 minutes to 1 hour?
5. How do you compare time ratios involving seconds and hours?
6. What is the ratio of 1 hour to 90 minutes?
7. How do you convert a time ratio to a percentage?
8. What is the ratio of 5 minutes to half an hour?

**Tip:** When converting ratios, always ensure both quantities are in the same unit before simplifying!

Learn how to calculate the ratio of 30 minutes to 2 hours with a step-by-step guide. Understand the concept of ratios and how to convert units for accurate comparisons. Suitable for Grades 6-8 students.

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