Question 951558
A contructor undertakes to build a wall 1000 meter long in 50 days. He employed 56 men  but at the end of 27 days  he finds that only 448 meter of wall is build. How many extra men must the contractor  employ so that the wall is completed in time
<pre>{{{highlight_green(25)}}} extra men are needed to complete remaining 552 m in 23 days.