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Update Notes for October 3:

• 2015 YouTube timeline updated

Posting this on behalf of someone who kindly asked me to:

Again, huh? Anyway, I hope you're doing better now.

I... I don't know what to say. I have noticed your reduced activity, which is sadly what happened with @Sanya until he finally made the decision to leave the staff, but I didn't think anything of it because of that conversation a long time ago when I had to get something off my chest--I'm sure you remember. While things obviously change, I remember you specifically saying that you were balancing college, work, video games, and KH-Vids work just fine, so...

Misty, you were one of my very first friends on here when I became regularly active on June 5, 2011. I wish we could have talked casually more like we did back when KH-Vids was still on vBulletin, which was practically every day, but back then you were still in high school or just finishing. I completely understand other responsibilities taking over. As of September 21, I'm in college again for my second quarter, and by looking at when I last updated my YouTube, you can see how busy I've been. (I finally got a chance to record on Monday--almost three hours worth--but did not get a chance to edit and save until last night. And I still need to upload the parts.)

Misty, I know you'll still be around, but I'll still miss you in a sense. It will be weird. In any case, other than here, you also have me on Skype, so please do not hesitate to hit me up every now and then to just shoot the **** or whatever.

Yeah, I think I made more work for myself. I could have either converted the first one to match the second or vice-versa to see which one's cheaper.

Unless there's more than one prime factorization, where you use the number with the higher exponent, and if there are two sets of numbers with the same exponents, such as 3^2 and 4^2, then you would use the higher number, IIRC:

View attachment 43179

Or do you use both?

Unfortunately, he doesn't allow calculators.

However, if it's just a matter of the bigger number being the better deal, I can just look at it and say that 8/125 is better than 3/49. Although I may need to show my work, which would be where finding a common denominator would come in handy. Problem is with numbers like these, I have to do a factor tree since the common denominators don't just jump out at me, and I'm still confused on that whole concept, especially when it involves finding the common denominator for three or more fractions with unusual numbers--again, where the common numbers don't just pop out at you. The common denominators for 3/12 + 9/24 + 8/48 are easy, but when it's something like 8/125 + 3/49, forget thinking about it.

This is about as far as I remember, and I don't even know if that's right:

View attachment 43177

@Iskandar, @Incognitus, @Patman, @Mixt, help!

Did I do this right? We're on the dimensional analysis right now, and by itself it isn't a problem, but in word problem form, ugh! I looked at the book for the answer after trying it, but I don't really understand.

The former is supposedly better, but I don't know why. According to my work, it looks like the latter would be the better deal?

View attachment 43174 View attachment 43175 View attachment 43176

I dunno. Maybe they were saying that, "YouTube is just plain happy." ;)

Getting the link can be the problem, though. Going back to my earlier example:

I had 75/x = 325/6, which was incorrect. While both fractions matched (pushups / minutes = pushups / minutes), I had the numbers in the wrong places. It should have been 75/6 = 325/x.

I was getting the units matched correctly for the most part (e.g., hours / miles = hours / miles is correct while hours / miles = miles / hours is incorrect), but I wasn't matching them to the source, as @Mixt mentioned.

So I just wasn't plugging the numbers in correctly. After looking at the questions closer, I realized why @Patman's orders were correct. Although it's confusing at first.

Obviously, I'm doing something wrong. I have the numbers in the same place as you do for the first one. I'll have to work it out again after Spanish 101 during my break.

As for the second one, there's no multiplication involved, then?

That explains it better, thanks.

Perhaps you or someone else can help me with the problems I couldn't get: After trying them repeatedly, when I kept everything properly linked, I got 8/13 and 16 as answers, but the book is saying the answers are 41.6, which maybe 8/13 converts to, and four.

x/16 = 10/26 (26x = 16 * 10) = 8/13

x/20 = 40/50 (50x = 20 * 40) = 16

Both are essentially the same type of word problem, so if I can at least figure out one, then... Of course I'm going to ask my instructor, too, but if I can get a general idea, it'll probably help in the long run.

Thinking about it, I should have known that. It's the same thing we talked about in my Math in Video Games thread in Gaming, just not as complicated. I'm sure you remember (@Patman, especially) that in Arc the Lad: Twilight of the Spirits that, with the exception of Medical Machine because it completely restores health, healing abilities restore a fixed percentage of your health based on your current maximum health.

For example, Cure heals 25% of a target's maximum health. If maximum health equals 237, then to find the answer, we would do the following:

x over 237 times 25% over 100%. 237 times 25 divided by 100 would give us our answer of 59 (59.25). The source, as you put it, in this case would be 237?

However, the source is not always clear. In the case of my problem above, though, it's more or less clear that six should go over 75 and x should go over 325.