Work Step by Step
The faster steamroller will work quicker, so it can pave more parking lot in the same time as the slower one. Thus, together they will take less than half of the time of the slow one working alone.
You can help us out by revising, improving and updating this answer.Update this answer
After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.