Question

X and Y together can do a piece of work in 10 days. Y and Z can do the same work together in 12 days, while x and z can do together in 15 days. How long each will take to do it separately? ​

Answer 1

Answer:

solved

Step-by-step explanation:

1/x + 1/y = 1/10

1/z + 1/y = 1/12

1/x + 1/z = 1/15

solving

x = 24 days       , y = 120/7 days      ,    z  =  40 days