Tocalculate : The number of columns of pixels.
Answer to Problem 36E
There are
Explanation of Solution
Given information :
A wristwatch has a digital built-in camera with a rectangular viewfinder.
The number of pixels in the image shown by the viewfinder =
The pixels arranged in rows and columns.
The number of rows of pixels =
Formula used : multiplication property of equality, that is;
Calculation :
As per the problem,
The total number of pixels =
The number of rows of pixels =
Consider the number of columns of pixels to be
Therefore,
Total number of pixels = number of rows
Dividing both sides by
Hence,
The number of columns of pixels are
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Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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