
(a)
To calculate:To write an equation to find the number of hours in any number of minutes
(a)

Answer to Problem 12STP
The equation to find the number of hours in any number of minutes is
Explanation of Solution
Given information:There are
Calculation:
Let the number of hours be
Let the number of minutes be
Given that there are
That is,
Therefore,
Hence, required equation is
(b)
To calculate: To find number of hours in
(b)

Answer to Problem 12STP
Number of hours in
Explanation of Solution
Given information:Equation to find the number of hours in any number of minutes is
Calculation:
Given the equation to find the number of hours in any number of minutes is as follows
Here, number of hours needs to be calculated for
Thus,
Substituting the value in (1),
On solving,
Hence, required number of hours is
Chapter 3 Solutions
Pre-Algebra, Student Edition
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