
Concept explainers
Find the distance between Gas-O-Rama and L’s home. Find the distance between two gas stations.

Answer to Problem 69SPR
The distance between L’s house and Gas-O-Rama is quarter miles =
The distance between Gas-O-Rama and N’s gas station is
Explanation of Solution
Given:
L’s home is located at the midpoint between N’s gas station and Gas-O-Rama. N’s gas station is a quarter mile away from L’s home.
Calculation :
Represent the given situation on a number line:
N L R
Represent
N’s gas station by N
L’s home by L
Gas-O-Rama by R.
Since L’s home is at the midpoint of N’s gas station and Gas-O-Rama, we have:
N’s gas station is a quarter mile away from L’s home , we have:
Hence ,
Now , the distance between the two gas stations is NR:
Use addition postulate to find the length of NR.
So, the distance between L’s house and Gas-O-Rama is quarter miles =
The distance between Gas-O-Rama and N’s gas station is
Chapter 3 Solutions
Geometry, Student Edition
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