Final answer:
To find the number of people not wearing red at the party, you need to calculate the number of women at the party and subtract the number of women wearing red.
Step-by-step explanation:
To find the number of people at the party who are not wearing red, we first need to find the total number of women at the party. Since three quarters of the 28 people at the party are women, we can calculate this by multiplying 28 by 3/4. 28 * 3/4 = 21.
Next, we need to find one third of the women who are wearing red. This can be calculated by multiplying 21 by 1/3. 21 * 1/3 = 7.
Therefore, there are 7 women wearing red at the party. To find the number of women who are not wearing red, we subtract 7 from the total number of women. 21 - 7 = 14.
So there are 14 women at the party who are not wearing red.