in the system of mass production, unskilled workers\no were hired to tend to machines and were paid more…

in the system of mass production, unskilled workers\no were hired to tend to machines and were paid more than skilled workers.\no were hired to help skilled workers and were paid more than skilled workers.\no were hired to tend to machines and were paid less than skilled workers.\no were hired to assist skilled workers and were paid the same as skilled workers.
Answer
Brief Explanations:
In mass - production systems, unskilled workers typically have less complex tasks (like tending to machines) compared to skilled workers. Since their work requires less specialized skills, they are usually paid less. Skilled workers have more valuable skills, so they earn more.
Answer:
were hired to tend to machines and were paid less than skilled workers.