How old was Joe Biden by the time he was elected the president of the United States?
78 years
58
57
69
77
58
59
62
57
69
66
77
58
59
62
57
69
67
63
76
66
77
58
59
62
68
57
69
61
67
66
77
58
63
59
62
68
57
69
76
61
66
77
67
58
63
59
62
57
69
68
76
61
78
77
58
59
62
57
69
66
67
63
76
77
58
59
62
68
57
69
61
78
66
40
77
67
58
63
59
62
57
42
69
74
40
76
68
61
78
66
71
42
77
67
40
58
55
57
69
36
63
59
62
68
42
74
40
76
55
73
65
58
50
36
57
69
61
78
66
71
42
77
67
40
63
55
65
50
38
36
58
59
62
68
57
42
74
40
76
61
78
55
73
65
48
50
38
36
54
69
49
66
71
60
42
77
67
40
58
47
45
63
55
65
57
35
74
76
48
64
50
38
36
54
37
46
41
49
59
60
62
68
42
69
40
47
45
61
79
78
55
66
71
73
65
35
48
64
56
52