Comparing linear functions word problem

Mr. and Mrs. Smith started walking home from different locations at the same time. They each walked at a constant speed. Mr. Smith's distance (in kilometers) from home as a function of time (in minutes) is given by the following table of values: $\text{Time}$ (minutes) | $\text{Distance}$ (kilometers) :-: | :-: $14$ | $3.6$ $21$ | $2.9$ $28$ | $2.2$ The graph of Mrs. Smith's distance (in kilometers) from home as a function of time (in minutes) is shown below. **Who walked a greater distance to get home?** [[☃ radio 1]] **Who walked faster?** [[☃ radio 2]]