Step-by-step explanation:
Given
A proportional relation is given between minutes spend in reading and no of pages
Suppose we choose the point 
, It shows that 2 minutes is taken to read three pages.
Similarly, for point 
, It shows four minutes is taken to read 6 pages.
In this way, 6 minutes is taken for 12 pages.
Answer:
Step-by-step explanation:
Let the rate of commission is x%.
<u>Total earning is:</u>
- 7500 + 120000*x/100 = 13500
- 1200x = 13500 - 7500
- 1200x = 6000
- x = 6000/1200
- x = 5
It's a little hard to see but it looks like A
hope that helps :)
0 -18 is the answer to your question
