Answer:
It will take Abbey 10 seconds to move 8.5 meters
Explanation:
100 cm makes one meter
So 85 cm=85/100
85 cm. = 0.85 meter
So Abbey travels 0.85 meters every second
One second= 0.85 meters
Let the unknown time be x
X= 8.5 meters/0.85
X= 10 seconds
It will take Abbey 10 seconds to move 8.5 meters