One person can do a certain job in six days, a second person can do the same job in two days, and a third person can do this job in three days. How many days will they take to do the job together?

Question

anonymous · Answer

What is the rate (ie job/day) the first person is doing at?

anonymous · Answer

x

anonymous · Answer

i think

anonymous · Answer

if you eat a cake in 6 days.  What is the rate that you are eating the cake?  IE what proportion of cake are you eating in 1 day?

anonymous · Answer

a.8 hours b.12 hours c.24 hours

anonymous · Answer

I know the answer but I need you to work through with me, otherwise you will learn nothing and that is not the purpose of this site.

anonymous · Answer

ok