Concept explainers
Solve and an equation
Answer to Problem 16IP
The equation is
The length of the main span of the George is
Explanation of Solution
Given:
The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City
Concept Used:
Rules of Addition/ Subtraction:
- Two numbers with similar sign always get added and the resulting number will carry the similar sign.
- Two numbers with opposite signs always get subtracted and the resulting number will carry the sign of larger number.
Rules of Multiplication/ Division:
- The product/quotient of two similar sign numbers is always positive.
- The product/quotient of two numbers with opposite signs is always negative.
In order to find the equation we have a total height is 2000 feet
Let’s assume that the length of the main span is x
Then the equation as shown below,
Thus, the equation is
In order to find the value of x in the equation
Thus, the length of the main span of the George is
Chapter 8 Solutions
Glencoe Math Accelerated, Student Edition
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