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9 June, 11:22

The two-way table shows the number of people ages 20 and 50 who belong to Group A or B.

What percent of people 50 years old belong to Group A? Express your answer to the nearest whole percent.

%

Age 20 Age 50

Group A 19 32

Group B 40 24

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  1. 9 June, 14:29
    0
    If what you mean by the "percent of people 50 years old belong to group A" is the percentage of 50-year old people with respect to the total number of people belonging to group A, then the answer is

    32 / (19+32) * 100 = 63%

    But, if what you mean is the percentage of 50-year old people in group A with respect to the total number of 50-year old people, then the answer will be

    32 / (32+24) * 100 = 57%
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