the ratio of tea cup sold to coffee cup sold in a shop is 4 is to 3 if 420 tea cups are sold in a day how many coffee cups were sold
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Ratio = 4:3
4x + 3x = 420
7x = 420
x = 420 / 7
= 60
hence coffee cups sold will be 4 x 60
= 240.
4x + 3x = 420
7x = 420
x = 420 / 7
= 60
hence coffee cups sold will be 4 x 60
= 240.
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