Table of contents
- 0. Review of Algebra(0)
- 1. Equations & Inequalities(0)
- 2. Graphs of Equations(0)
- 3. Functions(0)
- 4. Polynomial Functions(0)
- 5. Rational Functions(0)
- 6. Exponential & Logarithmic Functions(0)
- 7. Systems of Equations & Matrices(0)
- 8. Conic Sections(0)
- 9. Sequences, Series, & Induction(0)
- 10. Combinatorics & Probability(0)
7. Systems of Equations & Matrices
Introduction to Matrices
7. Systems of Equations & Matrices
Introduction to Matrices: Study with Video Lessons, Practice Problems & Examples
Back to all problems
113PRACTICE PROBLEM
Determine the quantity of each type of ball purchased by a sports teacher who bought a total of 40 balls. The number of basketballs exceeds the number of footballs by 8. Given that the cost of a tennis ball is $4, a basketball is $5, and a football is $7, the total cost of the purchase was $184.
Determine the quantity of each type of ball purchased by a sports teacher who bought a total of 40 balls. The number of basketballs exceeds the number of footballs by 8. Given that the cost of a tennis ball is $4, a basketball is $5, and a football is $7, the total cost of the purchase was $184.