Division and distributive property 54 divide 3

Astandard american eskimo dog has a mean weight of 30 pounds with a standard deviation of 2 pounds. assuming the weights of standard eskimo dogs are normally distributed, what range of weights would 99.7% of the dogs have? approximately 26–34 pounds approximately 24–36 pounds approximately 28–32 pounds approximately 29–31 pounds

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The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.