Question 90460


     1/2 q - 6 = 1/5 q


      1/2 q - 1/5 q = 6

        q/2 - q/5 = 6

       (5q-2q)/10 = 6           (L.C.M.  of 2,5 = 10)

        3q = 6*10

         3q = 60

         q = 60/3 = 20  solution is q = 20