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Question
Last fiscal year members of a nationwide reading club were from 45 chapters, with an average (arithmetic mean) of families per chapter. Last fiscal year the average number of individuals in each family who were members of the club was . Which of the following is closest to the total number of members of the club last year?
Answer Choices
- A.
- B.
- C.
- D.
- E.
Steps
| Explanation | Calculations | Help |
|---|---|---|
We translate the chapter count, families per chapter, and members per family into variables and express the total as a product. | ||
Because the answer choices are spread across powers of ten, we use rough estimation to approximate each factor. | Theory & Tactics Method Card CALC1-B Click to view full details | |
We multiply the approximated values to estimate the total number of members. |
Scroll horizontally to view all columns
Final Answer
C
Question
Last fiscal year members of a nationwide reading club were from 45 chapters, with an average (arithmetic mean) of families per chapter. Last fiscal year the average number of individuals in each family who were members of the club was . Which of the following is closest to the total number of members of the club last year?
Answer Choices
- A.
- B.
- C.
- D.
- E.
Steps
| Explanation | Calculations | Help |
|---|---|---|
We translate the chapter count, families per chapter, and members per family into variables and express the total as a product. | ||
Because the answer choices are spread across powers of ten, we use rough estimation to approximate each factor. | Theory & Tactics Method Card CALC1-B Click to view full details | |
We multiply the approximated values to estimate the total number of members. |
Scroll horizontally to view all columns
Final Answer
C