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The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Solve 2x+y=3 x+y=5 in substitution method

An ulcer medication has 300 milligrams in 2 tablets. how many milligrams are in 3 tablets?