Concept explainers
To find the measurement of longest piece of ribbon
Answer to Problem 42STP
Length of longest piece is 21 foot.
Explanation of Solution
Given information:
Length of ribbon= 36 foot.
Calculation:
Let the length of 2nd piece of ribbon be x .
According to question,
Length of 1st piece =
Length of 3rd piece=
As observed, 3rd piece is longest. To find the length,
1st + 2nd+ 3rd= 36
Substituting values,
Solving,
So,
Multiplying equation by 2,
Subtracting 2 from both sides,
Dividing by 7,
Length of 3rd piece=
Solving,
=
Hence, length of longest piece is 21 foot.
Chapter 1 Solutions
Geometry, Student Edition
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