Answer:
First question : 61 miles per hour
Second question : 21 miles per hour
Step-by-step explanation:
Since,
[tex]Speed=\frac{Distance}{Time}[/tex]
First question :
Distance = 244 miles,
Time = 4 hours,
So speed = [tex]\frac{244}{4}[/tex] = 61 miles per hour,
Second question :
Distance = 15 miles,
Time = 43 minutes = [tex]\frac{43}{60}[/tex] hours ( ∵ 1 hour = 60 minutes )
So, speed = [tex]\frac{15}{43/60}[/tex] = [tex]\frac{900}{43}[/tex] = 20.930232 ≈ 21 miles per hour