You work for a flower company. You sell roses at these prices: 3 roses for $9, 12 roses for $14.40, and 36 roses for $45. What is the approximate percentage difference of the best and worst rose deals according to their unit costs?

A. 6%

B. 18%

C. 22%

D. 29%

7

step-by-step explanation:

the answer would be 7

x = -4

step-by-step explanation:

- 20 - 4(x + 3) = 4x

=> -20 - 4x - 12 = 4x

=> - 32 -4x = 4x

=> -32 = 4x + 4x

=> - 32 = 8x

=> -32/8 = x

=> -4 = x

tip $2.90

total $17.40

answer: (x+2) (x+3) are the binomials for your question : )