this problem has stumped me. I really need help on this one! Please help me to understand how to get the right answer. thanks a trillion. :mrgreen:Ray can pick all of the oranges in 1 row of a grove in 6 hours. Asa can pick all of the oranges in 1 row of the grove in 4 hours. if they work together, how long will it take them to pick 15 rows of the grove?