How many states does the Mississippi River run through?
10
5
4
5
4
5
4
3
5
4
12
3
5
6
4
12
3
11
5
6
4
12
3
11
2
5
6
4
12
3
11
2
1
7
5
6
13
4
12
3
11
2
1
7
5
6
13
4
12
3
11
2
10
1
7
5
6
13
4
12
3
11
8
2
10
1
7
5
6
13
4
12
3
11
8
2
10
9
1
7
5
6
13
4
12
3
11
8
2
10
9
1
7
5
6
13
4
12
16
3
11
8
2
10
9
1
7
5
6
14
13
4
12
16
3
11
8
2
10
9
1
7
5
6
14
13
4
12
16
3
11
8
2
10
9
63
1
7
5
6
14
13
4
12
62
16
3
66
11
8
2
10
9
1
7
5
6
63
14
13
4
12
16
3
20
11
8
62
2
10
9
0
66
50
1
7
59
5
6
17
14
13
4
12
16
3
63
20
11
8
2
10
9
50
1
7
62
5
0
66
17