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OpenStax, Algebra and Trigonometry 2e §11.8 Solving Systems with Cramer's Rule · Review Exercise 138 · Linear Algebra · Determinants

Solving Systems with Cramer's Rule · Review Exercise 138

Write a system of equations to solve each problem. Solve the system of equations.

A school club held a bake sale to raise money and sold brownies and chocolate chip cookies. They priced the brownies at $2 and the chocolate chip cookies at $1. They raised $250 and sold 175 items. How many brownies and how many cookies were sold?

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OpenStax, Algebra and Trigonometry 2e · §11.8 Solving Systems with Cramer's Rule · Review Exercise 138

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