Yani buys a certain brand of cereal that costs $10 per box. Yani changes to a super-saving brand of the same size. The equation shows the price, y, as a function of the number of boxes, x, for the new brand. y = 7x

Part A: How many more dollars is the price of a box of Yani's original brand of cereal than the price of a box of the super-saving cereal? Show your work. (5 points)

Part B: How much money does Yani save each month with the change in cereal brand if he buys 5 cereal boxes each month? Show your work. (5 points)

SHOW YOUR WORK, ITS CONSTRUCTED