A car leaves town A for Town B which are 550 km apart at an average speed of 72km/h At the same time a truck leaves Town B for Town A and travels along the smae road as the car at an average speed of 38 km/h Find the time taken for the viechels to meet. Show steps and explain
Answers
Answered by
30
:
Let t = time it takes for them to meet
:
When the two meet, they will have traveled a total of 550km
:
Write a distance equation, dist = speed * time
then
72t = car's dist
38t - truck's dist
:
Car dist + truck dist = 550 km
72t + 38t = 550
Add like terms
110t = 550
t = 550/110
t = 5 hrs
:
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Answered by
4
Answer:
5 Hours
Step-by-step explanation:
Let t = time it takes for them to meet
:
When the two meet, they will have traveled a total of 550km
:
Write a distance equation, dist = speed * time
then
72t = car's dist
38t - truck's dist
:
Car dist + truck dist = 550 km
72t + 38t = 550
Add like terms
110t = 550
t = 550/110
t = 5 hrs
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