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Mathematics, 25.07.2019 05:00 Fangflora3

A. a survey of 110 teachers showed that 28 of them have a second job. b. a survey of 90 teachers showed that 27 of them have a second job. c. a survey of 70 teachers showed that 21 of them have a second job. d. a survey of 80 teachers showed that 32 of them have a second job. in math class, 4 students complete individual surveys to determine the percentage of high school teachers that have a second job. which two surveys show proportional results? a) a and b b) b and d c) a and d d) b and c

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