in a survey of 200 families, 80 were found using a brand tea only, 75 were found using b brand tea only and each family is using at least one of the two brands. find how many families are using both brands? find how many families are using A brand? find how many families are suing B brand?
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maybe you need to correct the question
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wrong question ××××××× or the answer will be x ok bye I am leaving the world today now
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