Mathematics, 01.09.2019 00:10 cardsqueen

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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A. a survey of 110 teachers showed that 28 of them have a second job.
b. a survey of 90 teach...

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