Could anyone help me with this? I got the first one done but these two keep stopping me

Jalen charges $25.50 for every 3 hours of yard work he does for his neighbors. ralph charges $34 for every 4 hours of work that he does. who charges less? opinions: 1.they charge the same amount 2.jalen 3.ralph

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

Proportions in triangles solve for x