x represents speed of Annette.
Step-by-step explanation:
Given,
Distance = 6.8 miles
Time = 90 minutes
The expression used by Annette
6.8 = x.90 Eqn 1
The dot on right side represents multiplication.
We know that;
Distance = Speed * Time Eqn 2
Comparing Eqn 1 and Eqn 2;
x = speed
x represents speed of Annette.
Keywords: distance, speed
Learn more about distance at:
#LearnwithBrainly