This is the question. :)

Answer soon(fast) 15 pts-brainliest? for right answer with small explination a restaurant catered a party for 40 people. a child’s dinner (c) cost $11 and an adult’s dinner (a) cost $20. the total cost of the dinner was $728. how many children and adults were at the party? use the table to guess and check.(i couldn't get the graph onto the question)                                8 children and 32 adults9 children and 31 adults10 children and 30 adults12 children and 28 adults

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?