Concept explainers
(a)
The solution of the given equation for r.
(a)
Answer to Problem 23PT
Explanation of Solution
Given:
d = rt represents the distance, d that an object is moving at speed r in time t.
Calculation:
The given equation can be solved for r as:
(b)
The average speed of car.
(b)
Answer to Problem 23PT
The average speed of the car is 48 miles per hour.
Explanation of Solution
Given:
d = rt represents the distance, d that an object is moving at speed r in time t.
d = 240 miles.
t = 5 hours.
Calculation:
The speed of car can be calculated as:
The average speed of the car is 48 miles per hour.
Chapter 2 Solutions
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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