I need to simplify 2 x X x X x 3 x y x y x y

The jurassic zoo charges $14 for each adult admission and $5 for each child. the total bill for 77 people from a school trip was $565. how many adults and how many children went to the zoo? i

Iwill make brain if you me correctly fill this out needs due today pls and send it back to me (click the link and you will get it)

Factor the expression using gcf 9b+45