Kanika wants do donate 10 shirts and 15 shorts for children in a flood relief camp. One shirt requires 1.35m and
a short requires 90 cm of cloth. If the material costs Rs. 180 per metre, estimate the amount that Kanika requires.

Answer

To solve the problem, we will follow these steps:

### Step 1: Calculate the total cloth required for shirts
Each shirt requires 1.35 meters of cloth. Kanika wants to donate 10 shirts.

\[ \text{Cloth required for shirts} = 10 \times 1.35 = 13.5 \text{ meters} \]

### Step 2: Convert the cloth requirement for shorts from centimeters to meters
Each short requires 90 centimeters of cloth. We need to convert this measurement into meters.

\[ \text{Cloth required for one short} = 90 \text{ cm} = 0.90 \text{ meters} \quad (\text{since } 100 \text{ cm} = 1 \text{ meter}) \]

### Step 3: Calculate the total cloth required for shorts
Kanika wants to donate 15 shorts.

\[ \text{Cloth required for shorts} = 15 \times 0.90 = 13.5 \text{ meters} \]

### Step 4: Calculate the total cloth required for both shirts and shorts
Now, we will add the cloth required for shirts and shorts together.

\[ \text{Total cloth required} = 13.5 \text{ meters (for shirts)} + 13.5 \text{ meters (for shorts)} = 27 \text{ meters} \]

### Step 5: Calculate the total cost of the cloth
The cost of the cloth is Rs. 180 per meter. Now we will calculate the total cost for 27 meters.

\[ \text{Total cost} = 27 \text{ meters} \times 180 \text{ Rs/meter} = 4860 \text{ Rs} \]

### Final Answer
The total amount that Kanika requires is **Rs. 4860**.

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