Answer:
40%
Step-by-step explanation:
20% + 20% = 40%
Hope this helps!
Answer:
the answer is $22.32
Step-by-step explanation:
That is negative since the elevator is decreasing. If the elevator was going up, it would be positive.
1. Move the negative sign to the left.
- 
*-50
2. Use this rule: 

=
-
3. Simplify - 
4. Move the negative sign to the left.
-(-950x/8)
5. Simplify 950x/8 to 475x/4
6. Remove parentheses.
E^x^2 - 9 = 1
e^x^2 = 1 + 9 = 10
Ln e^x^2 = Ln 10
x^2 = Ln 10
x = sqrt (Ln 10) = 1.517
x = 1.517