Math Problem Statement
Solution
The problem is asking to set up an inequality to determine how many hours Juanita must work to afford new shoes, given:
- She has $25.
- She earns $11 per hour.
- She needs at least $58 to buy new shoes.
Let represent the number of hours Juanita needs to work. Juanita’s total earnings would be her hourly wage, $11, multiplied by the number of hours she works, , plus the $25 she already has. This total needs to be greater than or equal to $58 (since she needs at least $58).
The inequality can be set up as:
Now, we can solve this inequality to find .
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Subtract 25 from both sides:
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Divide both sides by 11:
Therefore, Juanita must work at least 3 hours to have enough money to buy the shoes.
Would you like further explanation or have any questions? Here are some related questions to explore further:
- How can we solve inequalities with variables on both sides?
- What happens if Juanita needs exactly $58 instead of at least $58?
- How do you interpret the meaning of an inequality in a real-life scenario?
- What is the difference between an equation and an inequality in this case?
- How can we apply this method to other real-life budgeting situations?
Tip: When solving inequalities, always be mindful of whether you need to reverse the inequality symbol when multiplying or dividing by negative numbers.
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Math Problem Analysis
Mathematical Concepts
Algebra
Inequalities
Formulas
11h + 25 ≥ 58
Theorems
Properties of Inequalities
Suitable Grade Level
Grade 6-8