Question

A can fo a job in 15 days and B in 10 days. How many days will they take to finish the job if they work together? Please answer with explaination​

Answer 1

Answer:

Answer is 6 days

Step-by-step explanation:

First we will find the L.C.M of 10 and 15 that is the total units of work = 30

A can do work units in 30÷15 = 2units per day

B can do work units in 30÷10 = 3 units per day

Now we are said that if the work together 3+2 = 5

So now 30÷5units = 6 days

Answer 2

Step-by-step explanation:

L.C.M of 15 and 10 is 30

Therefore, ans--> the number of days A & B can do the work together in 30 days