1. Mr. Xavier took his 18 students and 9 other chaperones to an amusementpark. He paid $882 for admission. Mrs. Yadira took her 11 students and 4other chaperones to the same amusement park. She paid $489 foradmission. Which equation should be added to the equation 18s + 9c = 882to determine s, the amount the amusement park charges for studentadmission?A. 22s + 10c = 978B. 11s + 5c = 489C. 9s + 5c = 441D. 11s + 4c = 489