## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 1, Equations and Inequalities - 1.5 Use Problem Solving Strategies and Models - 1.5 Exercises - Quiz for Lessons 1.3-1.5 - Page 40: 11

#### Answer

A normal lesson costs $30$, and the first lesson costs $45$.

#### Work Step by Step

Let a normal lesson cost $x$. Then the total costs are: $9\cdot x+1.5x=315\\10.5x=315\\x=30$. Thus a normal lesson costs $30$, and the first lesson costs $45$.

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