Concept explainers
Car 1 drove 408 miles in 6 hours and Car 2 drove 365 miles in 5 hours during the cross-country road race. Who had the fastest average speed?
To Find: The car has the fastest average speed.
Answer to Problem 15P
Car 2 has the fastest average speed.
Explanation of Solution
Given:
Distance travelled by 1st car in
Distance travelled by 2nd car in
Formula used:
Average speed can be given as:
Calculation:
Average speed of car 1 is:
Average speed of car 2 is:
On comparing both the speeds,
The fastest average speed is of car 2
i.e.
Chapter 2 Solutions
High School Math 2012 Common-core Algebra 1 Practice And Problem Solvingworkbook Grade 8/9
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