The height of Sonu is 1.25m and that of Reena is 1.3m. How much is Reena taller than Sonu ( in cm ) ?

Answer

To find out how much taller Reena is than Sonu in centimeters, we can follow these steps:

### Step 1: Write down the heights of Sonu and Reena.
- Sonu's height = 1.25 meters
- Reena's height = 1.30 meters

### Step 2: Calculate the difference in their heights in meters.
To find out how much taller Reena is than Sonu, we subtract Sonu's height from Reena's height:
\[ \text{Difference} = \text{Reena's height} - \text{Sonu's height} \]
\[ \text{Difference} = 1.30 \, \text{m} - 1.25 \, \text{m} \]

### Step 3: Perform the subtraction.
Align the numbers for subtraction:
```
1.30
- 1.25
```
Subtract the numbers:
- In the hundredths place: \(0 - 5\) (we need to borrow, so it becomes \(10 - 5 = 5\))
- In the tenths place: \(2 - 2 = 0\)
- In the units place: \(1 - 1 = 0\)

So, the difference is:
\[ 0.05 \, \text{m} \]

### Step 4: Convert the difference from meters to centimeters.
Since 1 meter = 100 centimeters, we convert 0.05 meters to centimeters:
\[ 0.05 \, \text{m} = 0.05 \times 100 \, \text{cm} \]
Calculating this gives:
\[ 0.05 \times 100 = 5 \, \text{cm} \]

### Final Answer:
Reena is 5 cm taller than Sonu.

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