The number of pounds of grapes that can be purchased are 2.45, 2.4, 2.39.
The total amount Lauren's mother can spend has to be less than $15. This is why the inequality sign used is the less than sign - <.
Given this equation: 0.89g + 12.79 < 15.00 , in order to determine the pounds of grapes that can be used, take the following steps:
Combine similar terms
0.89g < 15 - 12.79
Add similar terms
0.89g < 2.21
Divide both sides of the equation by 0.89
g < 2.48g
To learn more about inequalities, please check: https://brainly.com/question/13881101