1956 AHSME Problems/Problem 47
Revision as of 07:42, 6 November 2017 by Prayersmith (talk | contribs) (Created page with "In 1 day, <math>x</math> machines can do <math>\frac {1}{3}</math> of the job , and <math>x + 3</math> machines<math> \frac {1}{2}</math> of the job. So <math>3</math> machi...")
In 1 day, machines can do of the job , and machines of the job. So machines can do of the job in 1 day, and 1 machine can do of the job in 1 day. Hence, **18** days are needed for 1 machine to complete the job;