105 students applied for the job If 30 students have a library job,
Ratios and proportion
If two out of every 7 students who apply to work in the library get a job, then;
2 = 7 students applied
In order to know the number of students that applied if 30 students have a library job, then;
30 = x student
Take the ratios
2x = 210
x =105
Hence 105 students applied for the job If 30 students have a library job,
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