The cost of 1 pen is Rs. 16 and the cost of 1 pencil is Rs. 5. What is the total cost of x pens and y pencils.

Answer

To find the total cost of \( x \) pens and \( y \) pencils, we can follow these steps:

### Step 1: Determine the cost of one pen.
The cost of one pen is given as Rs. 16.

### Step 2: Calculate the cost of \( x \) pens.
To find the cost of \( x \) pens, we multiply the cost of one pen by the number of pens:
\[ \text{Cost of } x \text{ pens} = 16 \times x = 16x \]

### Step 3: Determine the cost of one pencil.
The cost of one pencil is given as Rs. 5.

### Step 4: Calculate the cost of \( y \) pencils.
To find the cost of \( y \) pencils, we multiply the cost of one pencil by the number of pencils:
\[ \text{Cost of } y \text{ pencils} = 5 \times y = 5y \]

### Step 5: Calculate the total cost.
The total cost of \( x \) pens and \( y \) pencils is the sum of the costs calculated in Steps 2 and 4:
\[ \text{Total Cost} = \text{Cost of } x \text{ pens} + \text{Cost of } y \text{ pencils} = 16x + 5y \]

### Final Answer:
The total cost of \( x \) pens and \( y \) pencils is:
\[ \text{Total Cost} = 16x + 5y \]

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