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If he cost of 20 pens is Rs 110, find th...

If he cost of 20 pens is Rs 110, find the number of pens that can be bought for R 33.

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To solve the problem step by step, we will follow these calculations: ### Step 1: Determine the cost of one pen Given that the cost of 20 pens is Rs 110, we can find the cost of one pen by dividing the total cost by the number of pens. \[ \text{Cost of one pen} = \frac{\text{Total cost}}{\text{Number of pens}} = \frac{110}{20} \] ### Step 2: Perform the division Now, we will perform the division: \[ \frac{110}{20} = 5.5 \] So, the cost of one pen is Rs 5.5. ### Step 3: Find out how many pens can be bought for Rs 33 Next, we need to find out how many pens can be bought with Rs 33. We will use the cost of one pen to do this: \[ \text{Number of pens} = \frac{\text{Total money}}{\text{Cost of one pen}} = \frac{33}{5.5} \] ### Step 4: Perform the division Now, we will perform the division: To simplify \(\frac{33}{5.5}\), we can multiply both the numerator and the denominator by 10 to eliminate the decimal: \[ \frac{33 \times 10}{5.5 \times 10} = \frac{330}{55} \] Now, we can divide: \[ \frac{330}{55} = 6 \] ### Conclusion Thus, the number of pens that can be bought for Rs 33 is **6 pens**. ---
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