<image>The school is planning to organize a trip for teachers to the Pear Blossom Festival in Guide, Qinghai, over the weekend. Two travel agencies, A and B, are offering discounts for the teachers. Let the number of teachers attending the festival be x. The actual charges y_{A} and y_{B} by travel agencies A and B, respectively, as functions of x are shown in the . Based on the information from the graph, please answer the following questions:
(1) When x satisfies ____, the charges of both travel agencies are the same:
(2) When x satisfies ____, it is appropriate to choose travel agency A.