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17-02-2022
SAT

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A health study of 540 adults found that only 7 in 20 adults get enough sleep each night. Based on the results of the sample, how many adults got enough sleep?.

Respuesta :

17-02-2022

540/20 = 27 so 27 * 7 = 189
So 189 adults got enough sleep out of 540

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