1 plant in each row, she had. 5 x 1 + 8
2 plants in each row, she had 5 x 2 + 8
3......................................... 5 x 3 + 8
4......................................... 5 x 4 + 8
50........................................ 5 x 50 + 8
63........................................ 5 x 63 + 8
4793................................. 5 x 4793 + 8
t............40