Concept explainers
To find: The speed of each cycling.
Answer to Problem 12P
The rate of Aldo is
Explanation of Solution
Given:
The ration of the Aldo’s cycling speed to the Jose’s cycling speed is
The time at which Jose leaves school is 3 pm and the Aldo leaves at 3:10 pm.
The distance between Jose and Aldo at 3:30 pm is 2 km.
Calculation:
As Aldo rode for 20 minutes his time is one by 3 of an hour and the time of Jose is half of an hour. Also, the Aldo had to cover 2 km to travel to Jose.
Then the rate of Aldo is,
The rate of Jose is,
Consider the boys are travelling in the same direction than the distance are equal as,
Then, the rate of Aldo is,
The rate of Jose is,
Chapter 7 Solutions
Algebra: Structure And Method, Book 1
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