OpenStax, Algebra and Trigonometry 2e §11.7 Solving Systems with Inverses · Exercise 64 · Linear Algebra · Matrices
Solving Systems with Inverses · Exercise 64
Write a system of equations that represents the situation. Then, solve the system using the inverse of a matrix.
Jay has lemon, orange, and pomegranate trees in his backyard. An orange weighs 8 oz, a lemon 5 oz, and a pomegranate 11 oz. Jay picked 142 pieces of fruit weighing a total of 70 lb, 10 oz. He picked 15.5 times more oranges than pomegranates. How many of each fruit did Jay pick?
OpenStax, Algebra and Trigonometry 2e · §11.7 Solving Systems with Inverses · Exercise 64
Stuck? A gentle nudge
No hints for this one.
Your working
Check your full solution
Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.