Answer: An ostrich can walk with a speed of 2 miles per hour.
Step-by-step explanation:
Speed of roadrunner bird=14 miles per hour
Let x be the speed of ostrich egg.
Given that : A the greater roadrunner bird can run 7 times faster than an ostrich can walk.
⇒ Speed of roadrunner bird=7x
⇒7x= 14 miles per hour.

Therefore, speed of ostrich egg=2 miles per hour.