Three companies sell their apple juice in different-sized bottles. Jade is calculating the unit prices of each bottle and will consider the one with the lowest unit cost to be the best buy. Which action will cause Jade to misidentify the best buy?

i'm not sure i quite understand, could you provide more information?

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

i believe it's a.

i'm not sure on this one, most likely correct.