During the summer, kurt works on his uncle's goat farm. one of kurt's many chores is to milk the goats. the proportional
relationship between the number of hours milking, x, and the number of goats milked by kurt, y, can be modeled by the equation
y = 6x.
if kurt milked 21 goats, how many hours did it take?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.