To find: The bike speed and the walking speed.
Answer to Problem 20P
The walking speed of Bill is
Explanation of Solution
Given:
The distance from Bill house to Fred’s house is
The distance between the Fred house to the school is
The time taken to reach from Fred house to school is
The time required by Bill to ride to school only on bike is
Calculation:
Consider the speed of the bike is
The total distance travelled is,
The time taken to by Bill to reach from home to school on bike is,
The time taken by Bill to reach school on bike is,
The time taken by Bill to reach Fred house on bike is,
Then, the time taken by Bill to reach school from Fred house is,
Thus, the walking distance from Fred house to school is
Chapter 9 Solutions
Algebra: Structure And Method, Book 1
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