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 of the elevation of city C.

Part A: Write an expression to represent the elevation, in feet, of city D.

Part B: Solve the expression and explain why the answer is negative or positive.

Kakashi Feb 7, 2022

#1**+1 **

Part A: \({1\over2}\times{12}=\color{brown}\boxed{6}\)

Part B: \(\color{brown}\boxed{\text{positive}}\)

BuilderBoi Feb 7, 2022

#3**+1 **

Parity Rules:

pos x pos = pos

pos x neg = neg

neg x pos = neg

neg x neg = pos

Both \(1\over2\) and \(12\) are positive, so the product must be \(\color{brown}\boxed{\text {positive}}\)

BuilderBoi
Feb 7, 2022