<p><a href="http://i42.tinypic.com/2crrgbo.jpg%5B/url%5D">http://i42.tinypic.com/2crrgbo.jpg</a></p>
<p>answer is (A)</p>
<p>To make it easier, let’s assume that he walked for 5 hours (what time you choose here is irrelevant - it’ll only make the problem easier if you choose a good time). So, he walked downhill for 2 hours and uphill for 3 hours. That’s derived from the first part of the question. If his speed was 4 mph downhill, then 4 mph x 2 h. = 8 miles. Similarly, 2 mph x 3 h. = 6 miles. So, he walked a total of 14 miles. The portion he walked downhill was 8 miles, so the fraction you’re looking for is 8/14 which reduces to 4/7.</p>
<p>93tiger16 has the correct answer, but there’s a more solid and concrete mathematical way to do it without assuming distances, which often leaves the student who doesn’t understand the question lost. ok. so the rate for downhill is 4. time is 2/5x. multiply that. you get 8/5x. do the same for uphill and add uphill distance + downhill distance. then after you get the total distance, set the numerator as downhill distance/ total distance. it should be like 8/5x divided by 14/5x. and you get 4/7. damn. this was frustrating. i haven’t seen these rate and time problems often. i got pretty mad when i found out i couldn’t solve it… almost went crazy. but there you go, my 5 minute answer.</p>
<p>for a concert tickets that were purchased in advance of the day of the concert costs 5.00 each and tickets purchased the day of the concert costs 8.00 each the total amount collected in tickets was the same as if every tickets purchased has cost 5.50 . if 100 tickets were purchased in advance , what is the total number of tickets purchased ?</p>
<p>ans ( 120 )</p>
<p>A game has 60 minutes of playing time. What percent of the game has been played if the playing time remaining is one-fourth of the time already played.
A) 20%
B) 25%
C) 35%
D) 75%
E) 80% </p>
<p>answer is E</p>
<p>ahmed… next time you can be more courteous and pay a thanks to tiger & me.</p>
<p>You need to be able to set up equations. For 1) you need 500+8x = 5.50(100+x) where x is the number of $8 tickets sold. For 2) 60-x = 1/4x where x is the time played. It’s up to you to figure out how I derived those equations.</p>
<p>MathTeamExtraPro & 93tiger16 ur feedback is really appreciated</p>
<p>MathTeamExtraPro iam srry so thnx u once again :D</p>