Julia can finish 20 mile bike ride in 1.2 hrs. Katie can finish the same bike ride in 1.6 hrs. How much faster. Does Julia ride then katie
To find out how much faster Julia rides compared to Katie, we need to calculate the difference in their times.
First, we can calculate Katie's bike speed by dividing the distance she rides by the time she takes:
Katie's speed = 20 miles / 1.6 hours = 12.5 miles per hour
Similarly, we can calculate Julia's bike speed by dividing the distance she rides by her time:
Julia's speed = 20 miles / 1.2 hours = 16.67 miles per hour
To determine the difference in their speeds, we subtract Katie's speed from Julia's speed:
Difference in speeds = Julia's speed - Katie's speed
Difference in speeds = 16.67 mph - 12.5 mph
Difference in speeds = 4.17 mph
Therefore, Julia rides approximately 4.17 miles per hour faster than Katie.
speed = distance/time
So, you want
20/1.2 - 20/1.6 = ?