Invers proportion It take twelve workers tree weeks to complete four project.

Each project takes the same number of man-hours to complete.

a) t this rate, how long would it take fifteen workers to complete ten project? = 6 weeks

b) the ten project need to be completed in under four weeks. what is the minimum number of workers needed given that they a ll work at the s ame rate as the original workers? ( i know answer but in need xplaining ) :] B=D ( sorri ignore)
i have tutoring I Need this quickly