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Andrea has $18 to spend. She spent $6.50, including tax, to buy a notebook. She needs to save $5.75, but she wants to buy a snack. If candy bars cost $1.15 per package including tax, what inequality would show the maximum number of packages that Andrea can buy? Solve your inequality by showing your work and steps.

 Dec 31, 2020
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18  -  6.5  -  1.15n   ≥   5.75

 

11.5  -  1.15n   ≥   5.75

                                            Subtract  11.5  from both sides of the inequality.

-1.15n  ≥  -5.75

                                            Divide both sides by  -1.15  and flip the inequality sign.

n   ≤  5

 

The number candy bar packages must be less than or equal to  5  The maximum number should be 5.

At least thats what I think

 Jan 1, 2021
edited by wolfiechan  Jan 1, 2021

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