Cost of 5 kg of wheat is Rs. 91.50.
What will be the cost of 8 kg of wheat?

Answer

To find the cost of 8 kg of wheat when the cost of 5 kg is Rs. 91.50, we can use the unitary method. Here’s a step-by-step solution:

### Step 1: Find the cost of 1 kg of wheat
To find the cost of 1 kg of wheat, we divide the total cost of 5 kg by 5.

\[ \text{Cost of 1 kg of wheat} = \frac{91.50}{5} \]

### Step 2: Calculate the cost of 1 kg
Now we perform the division:

\[ \text{Cost of 1 kg of wheat} = 18.30 \]

### Step 3: Find the cost of 8 kg of wheat
Now that we know the cost of 1 kg, we can find the cost of 8 kg by multiplying the cost of 1 kg by 8.

\[ \text{Cost of 8 kg of wheat} = 18.30 \times 8 \]

### Step 4: Calculate the cost of 8 kg
Now we perform the multiplication:

\[ \text{Cost of 8 kg of wheat} = 146.40 \]

### Final Answer
Thus, the cost of 8 kg of wheat is Rs. 146.40.

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