Question 384139
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Hi,
  Ron can mow the lawn in two hours more time than Paul       
Let x  and (x+2) represent Paul and Ron's times solo respectively
 Question states, per hour being the Equalizer
 1/x + 1/(x+2) = 1/3hr Multiplying each term by 3x(x+2) so as all denominators = 1
 3(x+2) + 3x = x(x+2)
 3x+ 6  + 3x = x^2 +2x
 x^2 - 4x - 6 = 0
{{{x = (-b +- sqrt( b^2-4*a*c ))/(2*a) }}} 
{{{x = (4 +- sqrt( 40 ))/(2) }}}
  {{{x = (4 +- 2*sqrt( 10 ))/(2) }}} 
x = -1.2  Or x = 5.2 (rounded to the nearest tenth)
tossing out negative solution
 x = 5.2hr, Pauls Time, Ron's 7.2hr