Concept explainers
(a)
To find: The unit rate of Person A and Person J’s speed from the given graph.
(a)
Answer to Problem 25IP
The speed of Person A is 8 feet per second and the speed of Person J is 6 feet per second.
Explanation of Solution
Given information:
The given graph is shown below.
Calculation:
From the graph, Person A runs 16 feet in 2 seconds and Person J runs 24 feet in 4 seconds.
Write the speed of Person A as a fraction and simplify.
Write the speed of Person J as a fraction and simplify.
Therefore, the speed of Person A is 8 feet per second and the speed of Person J is 6 feet per second.
(b)
To find: The time required for Person A and Person J to run a distance of 1 mile.
(b)
Answer to Problem 25IP
Person A and Person J will take 11 minutes and 14 minutes and 40 seconds respectively to run 1 mile.
Explanation of Solution
Given information:
From part (a), the speed of Person A is 8 feet per second and the speed of Person J is 6 feet per second.
Calculation:
Since, time is the ratio of distance over time.
Calculate time required for Peron A to run 1 mile.
Calculate time required for Peron J to run 1 mile.
Therefore, Person A and Person J will take 11 minutes and 14 minutes and 40 seconds respectively to run 1 mile.
(c)
Todraw:Thegraph for the line representing the speed of Person M.
(c)
Explanation of Solution
Given information:
The speed of Person M is 5 feet per second.
Graph:
Interpretation:
The speed of Person M is less than the speed of Person A and Person J.The line will below the line for Person J as shown in the graph.
Chapter 5 Solutions
Glencoe Math Accelerated, Student Edition
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