The elevation of city A is 72 feet above sea level; the elevation of city C is 24 feet above sea level. The elevation of city D is 1 over 4 of the elevation of city C. Part A: Write an expression to represent the elevation, in feet, of city D. (5 points) Part B: Simplify the expression and explain why the answer is negative or positive. (5 points)
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Answer:
a city is 72
city is 24
city d 1over 5points
=72×24+6
=72×30
=946
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