SAT Math Multiple Choice Practice Question 592: Answer and Explanation

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Question: 592

6. In a group of 300 mice, 75% are male and 20% are albino. What is the greatest number of mice in the group that could be both female and not albino?

A. 45
B. 60
C. 75
D. 225
E. 240

Correct Answer: C

Explanation:

C Out of the 300 mice, if 75% are male, 25% must be female, so translate: × 300 = 75 females. Eliminate D and E, because there are no more than 75 females of any sort. Because 20% of the mice are albino, and 25% of the mice are female, both groups are small enough not to overlap at all. There are 80% non-albino mice, so × 300 = 240 non-albino mice, so all 75 females could be non-albinos.

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