John walked 10 miles on Saturday. He walked twice as fast on the second 5 miles of his walk than he walked on
the first 5 miles of his walk. Which expression represents the time he spent walking? Let x = John's speed on the first
half of his walk.
15/x
5/3x
15/2x
10/3x
the first 5 miles of his walk. Which expression represents the time he spent walking? Let x = John's speed on the first
half of his walk.
15/x
5/3x
15/2x
10/3x