Old Mix New Stuff
32% 35% 53%
3% gap 18% gap - this gives us the ratio in which they must be mixed
3:18
1:6
Flip to 6:1 because there is always more of the one that the overall average is closer to
Thus, the new stuff has to be 1/7 of the overall mixture, so 1/7 of 49 = 7
Answer choice C
32% 35% 53%
3% gap 18% gap - this gives us the ratio in which they must be mixed
3:18
1:6
Flip to 6:1 because there is always more of the one that the overall average is closer to
Thus, the new stuff has to be 1/7 of the overall mixture, so 1/7 of 49 = 7
Answer choice C
Statistics : Posted by DanTheGMATMan • on 20 Sep 2023, 02:15 • Replies 1 • Views 77









