In restaurant R, a total of 3000 people visited. Given that 60\% of the customers used debit cards and among them 40\% received a 10\% cashback, while the remaining customers paid by cash and 50\% of these cash-paying customers received a 2\% cashback, find the difference between the number of customers who received 10\% cashback and those who paid by cash.

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**Solution:**

1. Total visitors to restaurant R = 3000.

2. Percentage of people using debit card = 60\%.
   - Number of debit card users = $60\% 	imes 3000 = 0.60 	imes 3000 = 1800$.

3. Among debit card users, 40\% get 10\% cashback.
   - Number of people getting 10\% cashback = $40\% 	imes 1800 = 0.40 	imes 1800 = 720$.

4. Number of people paying by cash = Total visitors - Debit card users = $3000 - 1800 = 1200$.

5. We need the difference between the number of customers getting 10\% cashback and the number of customers paying by cash:

$$	ext{Difference} = 1200 - 720 = 480$$

**Answer:** 480

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