Respuesta :
Answer:
42 miles per hour
Step-by-step explanation:
280/40=7
It takes the first family 7 hours to get to the camp.
7 hours minus 20 minutes is 6 hours and 40 minutes.
280/6 2/3 = 42
The second family has to travel 42 miles per hour to reach the campsite at the same time as the first family.
The second family has to travel 42 miles per hour to reach the campsite at the same time as the first family.
We have given,
Two families are traveling by car to a camp away.
One family leaves 20 minutes ahead of the
Other family travels at an average speed of 40 kilometers per hour.
What is the formula for time?
Time=distance /speed
Therefore we get,
280/40=7
It takes the first family 7 hours to get to the camp.
7 hours minus 20 minutes is 6 hours and 40 minutes.
280/6 2/3 = 42
The second family has to travel 42 miles per hour to reach the campsite at the same time as the first family.
To learn more about the speed visit:
https://brainly.com/question/10428039