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anygoal [31]
3 years ago
5

The sale price of ground beef at a local grocery store is $1.49 for the first pound and $1.09 for each additional pound. Which f

unction rule shows how the cost of ground beef, y depends on the number of pounds, x?
Mathematics
1 answer:
cricket20 [7]3 years ago
6 0

Answer:

y=1.09x+0.4

Step-by-step explanation:

Let's assume that the price of beef stays the same for every pound of beef (the first pound is also $1.09)

Then, the equation would be, it y was the cost, and x was pounds:

y=1.09x

But, the price of beef is not the same for the first pound.

The first pound costs an extra 1.49-1.09=0.4 dollars a pound, so we will add that to the equation.

y=1.09x+0.4

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