To find the answer you would need to add 11 to 75 and then that is 86 so then divide that by 1 and the answer is 86
Answer: 20 dallors
Step-by-step explanation:
There is 15 bars in each case.
Subtract 8 from 143 and you get 135.
Divide 135 by 9 and you get 15 :)
For this you need to use the reverse cosine function
Cos^-1 (.25)
75.6