How much higher is 500 than 400 m? How much higher is 500 than -400 m?
What is the change in elevation from 8,500 m to 3,400 m?
What is the change in elevation between 8,500 m and -300 m?
How much higher is -200 m than 450 m?

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3

twenty-six miles over two gallons because the proportion for the original 13 miles to one gallon would be written 13/1 and, doing the same thing to the top and bottom, i multiplied by 2 and got 26/2

n=1.75+1.75

step-by-step explanation:

3.5/2=1.75