p varies directly with the square root of q and inversely with the cube of r. What is the effect on p when q is quadrupled, and r is cut in half?

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