Answer:
The answer is "70 and 2200".
Step-by-step explanation:
Please find the complete question in the attached file.
The total payment = y
The number of copies to be sold = x
In part (a):
Change of pay = discrepancies between (x+1) sale and (x) sale of copies for every copy sold
In part (b)
:
when
40%= 0.40 if you think of the decimal being at the end of the number (40.%) than just move the decimal twice makes it 0.40
Here sin theta is positive and tan theta is negative , it means theta is in second quadrant where cos is negative too .
So the correct option is the third option .
Answer. I hope it helps you.