louia101 louia101 01-05-2016 Mathematics contestada A window washer uses the proportional relationship y = kx to determine how long (y) it will take him to wash any number of windows (x). It takes the window washer 8 hours to wash 250 windows. What is the value of k A) k = 242 B) k = 258 C) k = 0.032 D) k = 31.25