Find the value of x and y that makes the triangles similar

For what value of x does 4x = (1/8) x + 5?

Galen sold tickets of his church’s carnival for a total of $2,820. children’s tickets cost $3 each and adult tickets cost $5 each. the number of children’s tickets sold was 30 more than 3 times the number of adult tickets slod. how many children’s ticket and how many adult tickets did he sell?

Write an equation for the function that includes the points (1,4/5) and (2,2/3)