Wednesday 4 January 2017

DAY 450

Six sewers take six hours to sew six shirts. How many sewers will it take to sew 100 shirts in 60 hours?

Answer:

Ten sewers
Each sewer sews one shirt in six hours. 
In sixty hours one sewer could sew ten shirts.  

Credit: Abbie Salny
The SuperSmart SuperPuzzle Book