According to frederick lewis allen, what is one way middle-class women's lives changed in the 1920s?

Their lives began to change in regard to what might be considered immoral for a lady to do. Things that had previously been considered sinful by some, such as women smoking, and the length of their skirt being too short were gradually being allowed in polite society.

Step-by-step explanation:

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step-by-step explanation:

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proportions are fractions that equal to each other. so if two fractions are the same, they are proportional.

let's check the answers to see if they are proportional.

question a is not proportional because you can't turn 1.5/3 to 3/9. if you try to multiply 1.5/3 by 2 or 3, you wont get 3/9. it's impossible to make the fractions the same.

question b is not proportional because you can't turn 22/33 to 4/6. 33 can't go into 6.

question c is proportional because when you multiply 2 and 3 by 71, you would get 142/213, and those fractions equal to each other

question d is proportional because when you divide 14 and 7 by 2, you would end up with 7/3.5, and those fractions equal to each other.