Question
The ratio of number of Milton water bottles sold by shop
B and C is 5:3 and the ratio of number of Cello water bottles sold by shop B and C is 3:7. Find the total number of water bottles sold by shop C. Read the following information below and the answer the given questions: The pie chart given below shows the number of water bottles (Cello + Milton) sold by five different shops (A, B, C, D and E). Note: (i) Number of Cello water bottles sold is one-fourth of the number of Milton water bottles sold by each shop. (ii) Total number of water bottles sold by shop (B + C) is 250.Solution
Percentage of total number of water bottles sold by shop B and C = [100 – (20 + 30 + 25)]% = 25% => 25% ----- 250 => 100% ------ 1000 Total number of water bottles sold by all the shops together = 1000 Number of water bottles sold by shop D = 30% of 1000 = 300 Let number of Milton water bottles sold by shop D be x. Number of Cello water bottles sold by shop D = x/4 According to the question, => x + x/4 = 300 => 5x = 1200 => x = 240 Milton water bottles sold by shop D = 240 Cello water bottles sold by shop D = 240/4 = 60 Similarly, 
Number of Milton water bottles sold by shop C = (3/8) × 200 = 75 Number of Cello water bottles sold by shop C = (7/10) × 50 = 35 Total number of water bottles sold by shop C = 75 + 35 = 110
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