A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.
distance = rate * time
(50*4) < d < (65*4)
200<d<260
To calculate the distance the car has traveled, we need to multiply its speed by the time it has traveled.
Given that the car travels at speeds between 50 miles per hour and 65 miles per hour, we can represent its speed as a variable, let's say "s".
Since the car travels for 4 hours, we can represent the time as another variable, let's say "t".
Therefore, the expression that represents the distance the car has traveled, "d", is calculated by multiplying the speed "s" by the time "t":
d = s * t
Substituting the given values,
d = (50 miles per hour) * (4 hours)
d = 200 miles
So, the expression that represents the distance the car has traveled is: d = 200 miles.