12. 4/15 of the 315 members of a book club are male. How many female members are there in the club?

A. 231
B. 131
C. 174
D. 84
I THINK THIS ONE IS D

No, 4/15 of 315 = 84

That is the males

Females are thus 315 - 84 = 231

To find the number of female members in the book club, we first need to calculate the number of male members.

Given that 4/15 of the 315 members are male, we can set up an equation:

(Number of male members) = (4/15) * 315

To solve this equation, we multiply 4/15 by 315:

(Number of male members) = (4/15) * 315 = 84

Now that we know the number of male members is 84, we can find the number of female members by subtracting the number of male members from the total number of members:

(Number of female members) = (Total number of members) - (Number of male members)
= 315 - 84 = 231

Therefore, there are 231 female members in the book club.

So, you are correct. The answer is (A) 231.