a class has a ratio of boys and girls that is 6:5. if there are 15 girls in the class how many total children are in there class

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

I'm confused on this could anyone me and show me what i need to do to solve it.

Solve for the equation. 4x - 13 = 2x + 9