Questions:
1) Sylvan N. Goldman of Humpty Dumpty Stores and Standard Food Markets developed an innovation allowing people to buy more items in a single visit. What was it?
2) Your BMI (body mass index) estimates your body fat based on what calculations?
3) What noted author served as a nurse in the Civil War?
Answers:
1) Shopping carts
2) BMI = weight in pounds divided by height (in inches)
3) Louisa May Alcott
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