If sand settles in such a way that the radius of the cone is always three times the height

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

In the figure below, triangle rpq is similar to triangle rts. what is the distance between p and q? a. 24 b. 42 c.50 d. 54