Answer:
1.51
Step-by-step explanation:
Divide 7.55 by 5 and it equals 1.51
Well there really wouldn't be a combo since everything is different so I'm saying nun? that's what I'm going with. ( If this is wrong correct me )
2 x 15 = 30, 9 x 22 = 198, 198 + 30 = 228.
So the answer is A 2 children, 9 adults.
Hope I helped, Ms. Weasley
If you feel that I deserve it I would love to be marked Brainliest!