Use the segment addition postulate and the line below to answer the question.
A
8
c
If AB = 5x + 3 and BC = 7x - 9, what is the value of AC?
a. 5x + 3
C. 12x - 6
b. 33
d. 46
Please select the best answer from the choices provided
Ο Α
ОВ
О С
Amerchant has coffee worth $60 a pound that she wishes to mix with 50 pounds of coffee worth $90 a pound to get a mixture that she will sell for $70 a pound. how many pounds of the & 60 coffee should be used?