Which equation represents the relationship between the x -values any the y -values in the table?

Will used 20 colored tiles to make a design in art class. 5/20 of his tiles were red. what is an equivalent fraction for the red tiles?

How do i do this? i don’t understand

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?