Concept explainers
(a)
To find: the expression for the
(a)
Answer to Problem 68STP
The expression for the
Explanation of Solution
Given information:
John’s mother has agreed to take him driving every day for two weeks. On the first day, John drives for
Calculation:
Consider the question
Each day, John will drive an additional
For
And first day he drove
So,
The expression becomes
Therefore, the expression for the
(b)
To find: The minutes that John will drive on the last day.
(b)
Answer to Problem 68STP
John would drive
Explanation of Solution
Given information:
John’s mother has agreed to take him driving every day for two weeks. On the first day, John drives for
Calculation:
The total number of days that John drives is
Substituting the value of
Therefore, John would drive
(c)
To find: The John’s sessions with his mother fulfill this requirement.
(c)
Answer to Problem 68STP
John’s session will not fulfill his requirement.
Explanation of Solution
Given information:
John’s mother has agreed to take him driving every day for two weeks. On the first day, John drives for
Calculation:
The time taken by John’s driver teacher is
Calculate the time taken by John
So, John will take
Therefore, John’s session will not fulfill his requirement.
Chapter 2 Solutions
Algebra 1
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