Question

jan can mow her neighbor's lawn in 3hrs. Ian can mow the sam lawn in 2hrs. to the nearest minute,how long will it take if they mow together????

Answer 1

guess what?
\[\frac{3\times 2}{3+2}\]

Answer 2

its the same as the other?!

Answer 3

same as all of them
adam can do the job in A hours, eve can do it in E
together they can do it in
\[\frac{A\times E}{A+E}\] hours