Concept explainers
(a)
To calculate: using properties of addition to find the sum of surveyor’s measurements.
(a)

Answer to Problem 47E
The final answer is
Explanation of Solution
The depth at three different place are
Hence sum of depth will be
Now, adding two numbers at one time
Now,
Hence sum of surveyor’s measurements is
(b)
To find: mean depth.
(b)

Answer to Problem 47E
The final answer is
Explanation of Solution
Mean depth
Chapter 2 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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