OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Exercise 58 · Linear Algebra · Matrices
Solving Systems with Inverses · Exercise 58
Write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix.
Students were asked to bring their favorite fruit to class. 95% of the fruits consisted of banana, apple, and oranges. If oranges were twice as popular as bananas, and apples were 5% less popular than bananas, what are the percentages of each individual fruit?
OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Exercise 58
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