The graph shows the relationship between inches, x, and miles, y, on a map. Which equation represents the proportional relationship?
y = x + 5
y = one-fifth x
y = 5x
y = 10x

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?