Question

C)The elevation of city A is 60 feet above sea level; the elevation of city C is 12 feet above sea level. The elevation of city D is 1 over 2 of the elevation of city C.
Part A: Write an expression to represent the elevation, in feet, of city D. (5 points)

Part B: Solve the expression and explain why the answer is negative or positive. (5 points)

Answer 1

A. The expression to represent the elevation of city D is 1/2 × 12.

B. Solving the expression, 1/2 × 12 = 6 ft the elevation of city D is positive because the elevation of city D is above sea level.

The elevation of city A is 60 ft above sea level .

The elevation of city C is 12 ft above sea level.

The elevation of city D is 1 /2 of the elevation of city C. Therefore, the elevation of city D above sea level will be

• 1/2 of 12 = 1/2 × 12

A.

The expression to represent the elevation in feet of city D is as follows:

• 1/2 of 12 = 1/2 × 12

B.

Let's solve the expression below:

• 1/ 2 × 12 = 6 feet.

The answer is positive because the elevation of city D is above see level.

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