Given:
Original or base : 40
New amount : 72
We need to find the difference of the new amount and the original amount
72 - 40 = 32
We then divide the difference by the original amount
32/40 = 0.80
We multiply the quotient by 100%
0.80 x 100% = 80%
The percentage of change is 80%
Answer:

Step-by-step explanation:
Answer:
Not Sure
Step-by-step explanation:
The slope is 0.
See graph below...
Answer:
1. 110
2. 84
Step-by-step explanation: