What are the x-intercepts of the graph of f(x) = (2x-1)(2x-5)? Show your work.

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

Sum is 17 and their difference is 3

Can some one me with these questions