Tough and Tricky questions: Work/Rate Problems.
If it takes 90 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 most appropriate option:
A) 40/3	B) 11	C) 7	D) 7/3	E) 9
90 Workers = 3 hours then,   1 Worker = 3*90 Hours   30 Workers = (3*90) /(30)= 
<gadget id="calculator">(3*90) /(30)</gadget>
<output>9</output>
9 Answer.9
<result>E</result>
Tough and Tricky questions: Work/Rate Problems.
If it takes 90 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?