Answer:
Either Linda or Dennis, but not both
Step-by-step explanation:
Based on the information given we were told that the mother which is Linda of 64 years old shared a home with her son which is dennis of the age of 41 in which chase which is dennis son is 20 years old (Linda grandson) which means that if the mother and the son ( Linda and dennis) worked full time and earned income as well as AGI which means ADJUSTED GROSS INCOME of at least 20,000 but less than the amount of 30,000 EITHER Linda or Dennis, but not both may claim and as well receive the earned income tax credit reason been that Linda and her son Dennis both shared a home meaning they both leave together and they both worked full time and earned income.