• Republican31
Inka can mow a lawn in 2.5 hours, and Phil can mow the same lawn in 3.5 hours. How many hours will it take them, working together, to mow the lawn? Round your answer to the nearest tenth of an hour. Is the proper way to set it up x/2.5 + x/3.5 = 1?
  • Stacey Warren - Expert
Hey! We 've verified this expert answer for you, click below to unlock the details :)
At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.
  • schrodinger
I got my questions answered at in under 10 minutes. Go to now for free help!
  • Sepeario
Inka does 1/2.5 of the job an hour, and Phil does 1/3.5, so together in h hours ∙ ∙ h( 1/2.5 + 1/3.5) = 1 whole job ∙ ∙ h/2.5 + h/3.5 = 1 ∙ ∙ ∙ ∙ ∙ ∙ ∙ ∙ ∙ ∙ ∙ multiply by 2.5 and 3.5 ∙ ∙ 3.5h + 2.5h = 2.5 • 3.5 ∙ ∙ 6h = 8.75 ∙ ∙ h = 1.4583333 hr ≈ 1.5 hr
  • anonymous
no, it's 1/2.5 + 1/3.5 = 1/x, where x is the time it takes both of them to finish
  • Republican31
I'm still confused. Can we do this a little more step by step?

Looking for something else?

Not the answer you are looking for? Search for more explanations.