Find the ratio of Umbrella sold in cities E and F together to Raincoat sold in cities C and D together.
Number of Umbrella sold in cities E and F together = [660×(3/11)] + [800×(7/10)] = 180 + 560 = 740 Number of Raincoat sold in cities C and D together = [900×(8/15)] + [840×(5/7)] = 480 + 600 = 1080 Required ratio = 740 : 1080 = 37:54
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