Question

Use signed numbers to solve.

A helicopter descended 1200 feet, rose 800 feet, and then descended 450 feet.

What was the net gain or loss in altitude?

A. Lost 2450ft
B. Lost 850ft
C. Gained 850ft
D. Gained 2450ft

Answer 1

@gabbyalicorn @EmilyD22 @HannahA @shadow13

Answer 2

Sorry im not very good at math

Answer 3

@gabbyalicorn ok do you know someone who is that can help me?

Answer 4

well... hopefully they'll come @johnweldon1993 @Here_to_Help15 @nincompoop @Nnesha @pooja195

Answer 5

Net Means in total...so think about it like this



Consider "DOWN" to be negative and "UP" to be positive

so DOWN 1200 = -1200
UP 800 would then be -1200 + 800 = -400
and then down another 450 so -400 - 450 = -850ft <--

Answer 6

So @johnweldon1993 the answer would be 850 Lost

Answer 7

Correct :)

Answer 8

Ok thanks for your help