Table:
distribution
median age
some financial responsibility

number
percentage
years
percentage

total grandparents in shared homes
584,350
100.0
66.2
50.3

in a multigenerational household with
511,685
87.6
66.2
46.1

couple
308,305
52.8
68.7
27.6

lone parent
188,660
32.3
62.2
74.7

other
14,710
2.5
60.6
66.1

in a skip-generation household
72,665
12.4
66.0
80.3

Statement: the majority of grandparents in a shared home with their grandchildren-511,700 or 88% in 2011-also lived with one or more persons from the middle generation.
Question: what is the number and percentage of grandparents in a shared home with their grandchildren who also lived with one or more persons from the middle generation?
Answer: [511685.0, 87.6]