For example: 4 workers chop 3 trees in 36hrs The known values are 4 workers chop 3 trees in 36hrs The unknown values are 5 workers 0 trees chopped in 96hrs 0 = the value being unknown and my program would work it out. So the output would be: 10 trees chopped. This website has all the information on multiple rates problems: http://www.manhattanprep.com/gre/blog/2016/04/21/a-step-by-step-guide-to-multiple-workers-gre-rates-problems/.
