Interested to Buy Any Domain ? << Click Here >> for more details...
A car averages 55 mph for the first 4 hours of a trip and
averages 70 mph for each additional hour. The average speed
for the entire trip was 60 mph. How many hours long is the trip?
- 8 Answers
- 36992 Views
- Infotech, I also Faced
- E-Mail Answers
Answer Posted / name
assume the no of additional hours be 'x'. then total
distance is given by
55*4+70*x = 60(4+x)
which on solving, gives x=2.
which gives the total hours travelled to be 6 hours.
i think this is correct. not sure........
| Is This Answer Correct ? | 34 Yes | 5 No |
Post New Answer View All Answers
A family has several children. Each boy in this family has as many sisters as brothers but each girl has twice as many brothers as sisters. How many brothers and sisters are there?
Hi friends i am new to this site. Pls provide me the KVB clerical exam model question papers. pls send to mail id mailstoaaa@gmail.com. Hope u guys will help me.
4^^61 + 4^^62 + 4^^63 + 4^^64 . this sum is divisible by which of the following ?
If 13 = 13w/(1-w) ,then (2w)2 = ?
The equivalent compound ratio of 5:6::7:10::6:5
Argentina had football team of 22 player of which captain is from Brazilian team and goalki from European team. For remaining player they have picked 6 from Argentinian and 14 from European. Now for a team of 11 they must have goalki and captain so out of 9 now they plan to select 3 from Argentinian and 6 from European. Find out no. of methods available for it
One fast typist type some matter in 2hr and another slow typist type the same matter in 3hr. If both do combinedly in how much time they will finish.
the plane question was asked.it took off from 7 degree 53' 6.1'' and landed at 8 degree 6' 43.5''.it takes 12 hours to travel between these points.then what will be local time at destination ?
In a mixture, R is 2 parts and S is 1 part. In order to make S to 25% of the mixture, how much of R is to added?
How is the father of the man ,who is the brother of the only aunt of my brother related to me?
Why do you want to join gnfc
Perimeter of the back whell = 9 feet, front wheel = 7 feet on a certain distance the front wheel gets 10 revolutions more than back wheel . what is the distance?
low temperature at the night in a city is 1/3 more than 1/2 hinge as higher temperature in a day. sum of the low temp and higherst temp is 100C. then what is the low temperature
The price of raw materials has gone up by 15%, labour cost has also increased from 25% of the cost of raw material to 30% of the cost of raw material. By how much percentage should there be a reduction in the usage of raw materials so as to keep the cost same
20% of a 6 litre solution and 60% of 4 litre solution are mixed. What percentage of the mixture of solution ?
