If x + y, y + z and z + x can complete a work in 12, 15 and 18 days respectively. Then find the number of days in which they will complete the same work together.
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Answer:
take the LCM of
Step-by-step explanation:
take the LCM of 12,15,18 which is 180
total 180 units of work
x and y does 180/12=15 units
y and z does 180/15=12 units
similarly z and x does 180/18=10 units
total work in a day=15+12+10=37 units
total work in 180/37=4.86 days
x+y+y+z+z+x= 2 times x+y+z
2* 4.86
= 9.72 days
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