Math Problem Statement
Vani and her children went into a bakery where they sell cupcakes for $4 each and cookies for $1.25 each. Vani has $45 to spend and must buy at least 14 cupcakes and cookies altogether. Also, she must buy a minimum of 4 cupcakes and no less than 12 cookies. If xx represents the number of cupcakes purchased and yy represents the number of cookies purchased, write and solve a system of inequalities graphically and determine one possible solution.
Solution
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Math Problem Analysis
Mathematical Concepts
Linear Inequalities
Systems of Inequalities
Graphing
Formulas
4x + 1.25y ≤ 45 (Total spending constraint)
x + y ≥ 14 (Total number of items constraint)
x ≥ 4 (Minimum cupcakes constraint)
y ≥ 12 (Minimum cookies constraint)
Theorems
None
Suitable Grade Level
Grades 9-11
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