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2 November, 04:50

A survey of 100 people found that 35 people exercise in the morning, 45 people exercise in the afternoon, and 20 people exercise at night. Tara claims that 35:55, 45:80, and 20:65 are possible ratios from this data. Jim claims that 35:100, 45:100, and 20:100 are possible ratios from this data. Who is correct? Explain.

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  1. 2 November, 05:14
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    100 total people ... 35 exercise in the morning ... 45 in the afternoon ... and 20 at night

    Jim is correct ...

    35/100 is the ratio of people who exercise in the morning to total people.

    45/100 is the ratio of afternoon exercisers to total people

    20/100 is the ratio of night exercisers to total people
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