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Mathematics 7 Online
OpenStudy (taylev105):

will medal and fan

OpenStudy (taylev105):

Luke buys a certain brand of cereal that costs $11 per box. Luke 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 = 9x Part A: How many more dollars is the price of a box of Luke's original brand of cereal than the price of a box of the super-saving brand? Show your work. Part B: How much money does Luke save each month with the change in cereal brand if he buys 6 cereal boxes each month? Show your work.

OpenStudy (anonymous):

For part A, we know that the new box is $9 per box, and his original was $11 per box, so subtract 11 - 9 to get the answer. So what is your answer for part A? @Taylev105

OpenStudy (taylev105):

2

OpenStudy (anonymous):

Yes.

OpenStudy (taylev105):

ok so now what?

OpenStudy (anonymous):

If he buys 6 boxes each month, you multiply 11 x 6 for the original box, and 9 x 6 for the new one.

OpenStudy (taylev105):

ok 66 and 54 now what lol

OpenStudy (anonymous):

Subtract 66 - 54.

OpenStudy (taylev105):

12

OpenStudy (anonymous):

Yes, so he will save $12 each month if he buys 6 boxes a month.

OpenStudy (anonymous):

So you're done!

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