How many states does the Mississippi River run through?
10
10
10
8
13
10
8
12
13
10
8
12
13
10
8
12
13
10
8
12
13
10
8
12
13
13 states
9
10
8
12
13
9
34
10
8
12
13
9
34
10
8
12
11
13
14
9
34
10
8
31
12
32
11
13
14
10 states
9
34
10
6
34 states
8
31
12
32
7
11
13
14
9
34
10
6
8
31
12
32
7
29
11
13
14
9
34
10
12 states
6
31 states
8
31
15
12
32
7
29
11
13
14
9
13 states
34
10
6
8
31
15
12
32
11 states
7
29
11
13
14
8 states
9
34
10
6
8
31
15
12
32
7
29
11
13
14
9
35
34
10
32 states
6
8
31
15
27
12
32
7
29
11
13
36
14
14 states
9
35
49
34
10
33
6
8
31
15
27
12
32
7
29
11
13
36
14
9
5
35
49
37
34
10
33
10 states
6
9 states
8
31
15
27
12
32
7
34 states
29
11
13
36
14
30
9
5
35
49
37
28
34
10
33