Question 158079
Sol:

Let say: x = car sold by Greg in March
        2x = car sold by Rodney in March
         2x-5= Car sold by Rodney in April
         x+3 = car sold by Greg in April
        2x-5=x+3 they botth sold equal numbers of car in April
         
Ans:   x=8 number of cars sold by Greg in March
       2x = 16 number of cars sold by Rodney in March