20 men and 35 women can complete a piece of work in y y y and y − 3 y - 3 y − 3 days respectively, while 15 men and 20 women can complete the same pie...
Question
20 men and 35 women can complete a piece of work in and days respectively, while 15 men and 20 women can complete the same piece of work in and days respectively. If each man is 60% more efficient than each woman, find the difference between and .