A time study specialist has set the production rate for each worker on a job at 22 units every therre hours. At this rate, what is the minimum number of workers that should be put on the job, if at least 90 units are to be produced per hour?

প্রশ্নঃ A time study specialist has set the production rate for each worker on a job at 22 units every therre hours. At this rate, what is the minimum number of workers that should be put on the job, if at least 90 units are to be produced per hour?