Answer:
Step-by-step explanation:
1) Â Â Â Â 17x + 175 = y
2) Â Â Â Â 17(28) + 175 = y
      476 + 175 = y
      651 = y
      Cost for bus and 28 students is $651
3) Â Â Â Â 889 - 175 = 714
      714/ 17 = 42
      42 students attempted the trip