You can mow your lawn in 2 hours. Your friend can mow your lawn in 3 hours. How long will it take to mow your lawn if the two of you work together?

Respuesta :

It would take about 5 hours for them two to work together, because if you add 2+3 you will get 5 and they are asking in total.
it will take 2½ hours to mow the lawn