Question

Taye and Mike are raking leaves to earn some money. Taye can rake 2 lawns that are about the same size in 3 hours. Mike can rake 2 lawns that are about the same in 4 hours. How long would it take both boys to work together to rake 2 lawns? Write and solve an equation for this situation. Explain how to set up the equation, using w = rt.

Answer 1

\[\frac{3\times 4}{3+4}\]

Answer 2

ok. thats what i got but i did it differently, let me show u

2/3 (2) 4 /6
+1/2 (3) 3/6
=7/6
2/(7/6)= 12/7

Answer 3

ok good, then no explanation needed
if you it in the general case you can see that the answer is always in the same form
\[\frac{xy}{x+y}\]

Answer 4

yes. i see. thank you!