John weighs twice as much as Susan. Susan's weight is 60% of Sam's weight. Mark weighs 50% of Lynn's weight. Lynn weighs 190% of John's weight. Which of these 5 people weighs the least? Choose the correct choice from the following answers:
A) John
B) Susan
C) Sam
D) Mark
E) Lynn
Let J – John’s weight   S – Susan’s weight   M – Mark’s weight   A – Sam’s weight   L – Lynn’s weight   J = 2S   S = 0.6A   M = 0.5L   L = 1.9J   Let us convert these weights to one variable   S = J/2   A = S/0.6 = J/1.2 = 5J/6   L = 1.9J   M = 0.5 * 1.9= 
<gadget id="calculator">0.5 * 1.9</gadget>
<output>0.95</output>
0.95J   So Susan has the least weight.   Answer - Susan
<result>B</result>
John weighs twice as much as Susan. Susan's weight is 60% of Sam's weight. Mark weighs 50% of Lynn's weight. Lynn weighs 190% of John's weight. Which of these 5 people weighs the least?