Answer:
a=16400 feet
Step-by-step explanation:
t = -0.0035 a +g
-17.40 = -0.0035 a+40
-17.40-40=-0.0035a+40-40
-57.40=-0.0035a
a = -57.40/-0.0035
50%
Cuz 75 is 1/2 of 150, so 1/2 is equal to 50%.
wait what? sorry I don't understand .
OMG you are so pretty