SOLUTION: Over a pieriod of time of five days the average time of a commuter train trip from one town to the city was 77 minutes. One trip was 71 minutes, another was 74 minutes, and two wer

Question 830044: Over a pieriod of time of five days the average time of a commuter train trip from one town to the city was 77 minutes. One trip was 71 minutes, another was 74 minutes, and two were 78 minutes. How many minutes long was the fith trip?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
Over a period of time of five days the average time of a commuter train trip from one town to the city was 77 minutes.
One trip was 71 minutes, another was 74 minutes, and two were 78 minutes. How many minutes long was the fifth trip?
:
Let x = time of the 5th trip
= 77
add the values, multiply both sides by 5
x + 301 = 5(77)
you should be able to do it now
RELATED QUESTIONS
A person travels 136 miles from one town to a city at an average speed of 77 mph and then (answered by Alan3354)

a commuter rides the train to and from work each day. Her husband meets her at the train... (answered by ankor@dixie-net.com)

Two commuter trains and five express buses depart from city A to City B in the morning,... (answered by stanbon)

Four commuter trains and five express buses depart from city A to City B in the morning,... (answered by stanbon)

A motorist traveled from city A to city B at an average speed of 50 mph. On the return... (answered by stanbon)

A slow train travel from city A to city C with a speed of 50km/h. but it stops in city B... (answered by josmiceli)

a bus traveled from one city to another at an average rate of 50 mph. on the return trip, (answered by Fombitz)

Ive been having a hard time answering this question, and i cant figure it out. A pilot... (answered by scott8148)

A commuter plane provides transportation from an international airport to surrounding... (answered by mananth,ikleyn)