The table shows the linear relationship between the total amount Mrs. Jacobs will be charged for a skating party and the number of children attending. Which equation best represents y, the total amount in dollars Mrs. Jacobs will be charged for x number of children attending the skating party? y = 16. 5x y = 7. 5x + 45 y = 22. 5x + 82. 5 y = 45x + 7. 5