Refer to the pie chart carefully and answer the given questions:
Percentage of bags available In different stores in November, 2011
Total number of bags available in all the stores together is 800:
The respective ratio between the number of bags available In store R in December and that available in the same store in the November was 7: 6. How many more bags were available in store R in December as compared to November?
Number of bags available In store R in November
= $$\frac{30}{100} \times 800 = 240$$
$$\because$$ Ratio between the number of bags available In store R in December and that available in the same store in the November = 7: 6
=> Number of bags available In store R in December
= $$\frac{7}{6} \times 240 = 280$$
$$\therefore$$ Required difference = 280 - 240 = 40
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