The option that best describes the number of smoothies Savannah can buy is she can buy from 0 to 7 smoothies, but no more.
Given this inequality equation: 40-4x>10
To determine the value of x, take the following steps:
Combine similar terms
40 - 10 > 4x
Add similar terms
30 > 4x
Divide both sides by 4
x > 7.5
To learn more about inequality, please check: https://brainly.com/question/5031619