You normally drive on the free way between kidapawan and davao at an average speed of 105km/hr (65mi/hr) and the trip takes 2hr and 20minutes on a friday afternoon,however heavy traffic slows you down and you drive the same distance an average speed of only 70km/hr (50mi/hr. How much longer does the trip take? How to solve this problem?
find the distance from the first given.
d=r*t
then, you know the distance, so in the question solve for t.
t=d/r
Now compare the times..how much longer did it take?
To solve this problem, we can use the formula:
Time = Distance / Speed
First, we need to calculate the distance between Kidapawan and Davao. Let's assume it is 150 kilometers.
For the normal trip with an average speed of 105 km/hr, the time taken is:
Time = Distance / Speed
Time = 150 km / 105 km/hr
Time = 1.43 hours
Since there are 60 minutes in an hour, we can convert the decimal part of the time to minutes:
Decimal time = 0.43 * 60
Decimal time = 25.8 minutes
So, the total time for the normal trip is approximately 1 hour and 26 minutes.
Next, let's calculate the time for the trip with heavy traffic, where the average speed is 70 km/hr:
Time = Distance / Speed
Time = 150 km / 70 km/hr
Time = 2.14 hours
Converting the decimal part of the time to minutes:
Decimal time = 0.14 * 60
Decimal time = 8.4 minutes
Therefore, the total time for the trip with heavy traffic is approximately 2 hours and 8 minutes.
To determine how much longer the trip takes with heavy traffic, we subtract the normal trip time from the heavy traffic trip time:
Additional time = Heavy traffic time - Normal time
Additional time = (2 hours + 8 minutes) - (1 hour + 26 minutes)
Additional time = 42 minutes
So, the trip takes approximately 42 minutes longer with heavy traffic.