## Algebra 2 (1st Edition)

Published by McDougal Littell

# Chapter 2 Linear Equations and Functions - 2.3 Graph Equations of Lines - 2.3 Exercises - Problem Solving - Page 95: 64b

#### Answer

$50$ minutes

#### Work Step by Step

Here $y=5$, thus plugging this into the equation: $30x+90(5)=1800\\30x+450=1800\\30x=1350\\x=45$ Thus the total trip time is: $x+y=45+5=50$ minutes

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