A woman stands on a mountain at 8,000 feet above sea level. A man stands in a valley at 400 feet below sea level. What equation shows the difference in their elevations?

8,000 - 400 =
-8,000 - 400 =
8,000 + (-400) =
8,000 - (-400) =

Question

A woman stands on a mountain at 8,000 feet above sea level. A man stands in a valley at 400 feet below sea level. What equation shows the difference in their elevations?



8,000 - 400 =
-8,000 - 400 =
8,000 + (-400) =
8,000 - (-400) =

anonymous · Answer

i think it is number 3 but i need to make sure

ash2326 · Answer

|dw:1364048401338:dw|

ash2326 · Answer

In coordinate system|dw:1364048543745:dw|

anonymous · Answer

yeah so the man is below the woman which is negative and the womans is higher  t\

anonymous · Answer

oh it is the forth one

ash2326 · Answer

Yes, you are right :)
Did you understand?

anonymous · Answer

its the forth one woman is above and man is below difference is women-(-man)

anonymous · Answer

yep