Acarpenter can do a job in two hours. his assistant can do the same job in three hours. how long would it take them to do the job together? plz

Step-by-step explanation:

Given : A carpenter can do a job in two hours.

i.e. rate of work done by carpenter per hour=   (1)

Also, His assistant can do the same job in three hours.

i.e. rate of work done by assistant per hour=   (2)

Let t be the time taken by both of them if they work together , then we have

 [Adding (1) and (2)]

Hence, it would take to them to do the job together.

by definition, an arc subtended by a central angle of some given measure has the same measure. so .