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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.

2 Answers

6 votes
Go to calculator pro it tells you everything by just taking a picture.
User Aldryd
by
7.1k points
2 votes

because 7x we know that the cereal box super saving brand is $7

10-7 = $3 is the difference in dollars between the two.

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5*10= $50 the original brand

7*5= $35 with the super saving brand

User Patrick Hooijer
by
7.1k points