What is the number of members of Club X who are at least 35 years of age?
1) Exactly 3/4 of the members of club X are under 35 years of age.
2) The 64 women in Club X constitute 40 percent of the club's membership.
does it matter whether there are children in the club?
Club members at least 35yrs old
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Hi! We only care about at least 35 vs below 35, so "children" are irrelevant.kobel51 wrote:What is the number of members of Club X who are at least 35 years of age?
1) Exactly 3/4 of the members of club X are under 35 years of age.
2) The 64 women in Club X constitute 40 percent of the club's membership.
does it matter whether there are children in the club?
Q: how many members are 35 or older?
We think: value question asking us to solve for an actual number, so we need info about numbers!
1) nothing about actual numbers (i.e. just a fraction) - insufficient.
2) nothing about age breakdown - insufficient.
Eliminate A, B and D.
Together: (2) gives us a percent and a part, so we can figure out the whole, i.e. total number of members. Now we can use (1) to calculate how many members are 35 or older.
Together sufficient, choose (C)!
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