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 = -1.2  Or x = 5.2 (rounded to the nearest tenth)

tossing out negative solution

 x = 5.2hr, Pauls Time, Ron's 7.2hr 

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