The question is on the ss btw

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Math it's appreciated. (picture provided)

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