John can create an app in 6 weeks while ben can do the same job in 12 weeks. how many weeks would it take them to create an app together? explain

Step-by-step explanation:

we know that

John can create an app in 6 weeks

so

In 1 week can create 1/6 of app

and

Ben can create an app in 12 weeks

so

In 1 week can create 1/12 of app

Together in 1 week can create -----> 1/6+1/12=3/12=1/4 of app

so by proportion

i do not know the answer i am sorry

yes

yes yes yes