Tough and Tricky questions: Work/Rate Problems.
If it takes 80 workers 3 hours to disassemble the exhibition rides at a small amusement park, how many hours would it take 30 workers to do this same job?	Choose the correct choice from the following answers:
A) 40/3  B) 11  C) 7  D) 8  E) 9/7
80 Workers = 3 hours then,   1 Worker = 3*80 Hours   30 Workers = (3*80) /(30)= 
<gadget id="calculator">(3*80) /(30)</gadget>
<output>8</output>
8 Answer.8
<result>D</result>
Tough and Tricky questions: Work/Rate Problems.
If it takes 80 workers 3 hours to disassemble the exhibition rides at a small amusement park, how many hours would it take 30 workers to do this same job?