If the answer can be left in a fraction than this is the solution: 2×5/8=5/4 5/4-1/3=11/12 if you mean the answer must be left in a whole number than.. I don't really know how to do it
Step-by-step explanation: If you multiply the amount of <em>workers</em> by two, then you divide the amount of <em>time </em>by two, and vice versa. So, in other words, whatever number you multiply the workers by, divide the time by that same number. I hope this helps!