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. 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.

Step-by-step explanation:

Part A: The price of the first cereal that Yani bought was $10 and he new cereal is $7.

$10 - $7 = $3. The original box of cereal was $3 more than the super- saving cereal.

Part B: Yani will save $15 each month.

With the $10 cereal he used to pay $50 per month. Now with the super-saving cereal, he will now pay $35 per month.

So we need to subtract $50 - $35 = $15

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step-by-step explanation: