tough and tricky questions: work / rate problems. a group of 4 junior lawyers require 7 hours to complete a legal research assignment. how many hours would it take a group of 3 legal assistants to complete the same research assignment assuming that a legal assistant works at two - thirds the rate of a junior lawyer? source: chili hot gmat Choose the correct choice from the following answers:
A) 14
B) 10
C) 9
D) 6
E) 5
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/3) * 3</gadget>
<output>2</output>

<gadget id="calculator">2 * 7</gadget>
<output>14</output>

<result>A</result>
tough and tricky questions: work / rate problems. a group of 4 junior lawyers require 7 hours to complete a legal research assignment. how many hours would it take a group of 3 legal assistants to complete the same research assignment assuming that a legal assistant works at two - thirds the rate of a junior lawyer? source: chili hot gmat
multiply(multiply(divide(const_2, const_3), 3), 7)
# of people times the # of hours : 4 * 7 = 28 - - > 4 lawyers do 28 worksin 7 hours . 3 * 14 / 3 = 14 - - > 3 assistants do 14 worksin 4 hours so , since the amount of work the assistants do is half the work the lawyers do , the time will be double , soans a