Answer: 66[tex]\frac{6}{9}[/tex] miles per hour
Step-by-step explanation:
300 miles * 1 hour/4 1/2 hours =
300 miles * 1 hour/(4+1/2) hours =
300 miles * 1 * 2 hour/((4+1/2) * 2) hours =
300 miles * 2 hours/(8+1) hours =
300 miles * 2 hours/9 hours =
300 * 2/9=
600/9=
(594+6)/9=
594/9 + 6/9=
66+6/9=66 6/9 miles per hour