Susan elevation at the top of a mountain is 1,530 meters meters. After 4 hours of climbing dow her elevation is 680 meters. What is Susans average change in elevation, in meters per hour
?

She is going down the mountain at 212.5 meters per hour.

Step-by-step explanation: 1530-680= 850

850/4= 212.5

170

Step-by-step explanation:

hope this helps

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.