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Question:

A cafeteria requires 3 workers for every 24 students. How many workers will be needed for a school with 136 students?

A 17
Explaination

First, calculate how many students one worker could serve: $5100_w82_h13.png$
Then, divide the total number of students (136) by the number of students each worker could serve (8): $1039_w99_h14.png$ workers