the houston family kept a log of the distance they hiked throughout the day and the data is represented below.

Question

elapsed time      1        2       4      6        8      10

distance walked  4       11     18     23      35     39

 

what is the average speed the family walked from the first hour to the fourth hour

what about from the second hour to the tenth hour

Answer 1

 

(18-4)/(4-1) = 13/3 = 4 and 1/3 miles per hour

 

 

(39-11)/(10-2) = 28/8 = 14/4 = 7/2 = 3 and 1/2 miles per hour