Math Problem Statement
Connor is working two summer jobs, making $8 per hour washing cars and making $16 per hour tutoring. In a given week, he can work a maximum of 14 total hours and must earn at least $160. Let x be the number of hours he washes cars and y be the number of hours he tutors. Write an inequality for the amount of money he must earn.
Solution
Based on the scenario in the image, here’s how we can form the inequality:
Given:
- : Number of hours spent washing cars.
- : Number of hours spent tutoring.
- : Income from washing cars at $8 per hour.
- : Income from tutoring at $16 per hour.
- Total income requirement: At least $160.
Inequality for earnings:
Additionally, Connor can work for a maximum of 14 hours in total:
Final set of inequalities:
- (to meet income requirement)
- (to meet the time constraint)
- (since negative hours don’t make sense).
Would you like help solving these inequalities or visualizing the solution set?
Related Questions:
- How can we graph these inequalities?
- What is the maximum possible income Connor can earn under these constraints?
- If Connor works equal hours washing cars and tutoring, how many hours will he work, and what is his total income?
- How many hours must he tutor at a minimum to meet the $160 requirement?
- What happens if he wants to maximize his time tutoring instead of washing cars?
Tip:
Remember, dividing by coefficients like 8 and 16 can simplify these inequalities, but keep all terms aligned with the conditions!
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Math Problem Analysis
Mathematical Concepts
Linear Inequalities
Systems of Inequalities
Basic Algebra
Formulas
8x + 16y >= 160 (Earnings Inequality)
x + y <= 14 (Time Constraint)
Theorems
Properties of Inequalities
Non-negative Constraints for Variables
Suitable Grade Level
Grades 7-10