Two Beauticians

Two beauticians have three customers, each needing a facial and a manicure.

Each hairdresser takes fifteen minutes for a facial, and five minutes for a manicure. What’s the quickest they can get the job done?


They can get the job done in thirty minutes.

One beautician does a facial and three manicures in 30 minutes. The other beautician does two facials in 30 minutes.