Question 785440
 In a factory, 120 people working for 8 hours a day can assemble 160 computers.
Find the no. of man-hrs per computer:
{{{(120*8)/160}}} = 6 man-hrs per compute
:
 If 20 more workers are employed and all the workers work an extra hour,
 how many more computers can be assembled in a day?
{{{(140*9)/6}}} = 210 computers