Question

If it takes a person 45 minutes to walk 4 dogs, how long does it take for a person to walk 7 dogs?

Answer 1

1 hour, 18 minutes, 45 seconds

Explanation:

Let's use a ratio:

dogs : minutes

4 : 45

1 : 11.25

7 : 78.75

78.75 minutes or 1 hour, 18 minutes, 45 seconds.