In a survey of 480 students, 253 indicated that play the piano, 268 indicated that they play the harp and 73 indicated they play the piano and the harp. 1. How many students surveyed play the piano only? a. 268 b. 180 c. 203 d. 195 e. 145 2. How many students surveyed play at most one of these instruments mentioned here? a. 42 b. 448 c. 341 d. 407 e. 358 4. n A D ( ) 5. 6