• 05-16-2018, 01:54 AM
well, yes, I guess you could say that algebra is logic in shorthand.
30 replies | 1170 view(s)
• 05-15-2018, 02:06 AM
Here is what I meant by solving without algebra: the running took half as long to cover the same distance as the walking. Both walking and running...
30 replies | 1170 view(s)
• 05-15-2018, 01:59 AM
Thanks
30 replies | 1170 view(s)
• 05-14-2018, 02:12 AM
Latex? First time I've heard of it. Is it available somewhere and would it be worth my while to learn it?
30 replies | 1170 view(s)
• 05-14-2018, 02:10 AM
I am beginning to see the light...but I will have to copy this explanation and read it tomorrow in the morning when my head is on straight...it is...
30 replies | 1170 view(s)
• 05-14-2018, 02:05 AM
Yes, I get that but I don't understand why, when the equation presents both runner and walker, how to connect this d with the walker and thus answer...
30 replies | 1170 view(s)
• 05-13-2018, 02:29 AM
I confess this is puzzling to me. Where do you get the 60 from in: . . .d = \dfrac{3}{60} * t_1 \text { and } d = \dfrac{6}{60} * t_2 \implies...
30 replies | 1170 view(s)
• 05-13-2018, 02:25 AM
I have doen this thus: d/3 + d/6 = 1/2 2d +d = 3 d= 1 But...I have a question: How do I connect this answer, which according to the book...
30 replies | 1170 view(s)
• 05-11-2018, 02:53 PM
I see it now. d=rt = d/t=r. I have r and I have t. Now to get d!
30 replies | 1170 view(s)
• 05-11-2018, 02:49 PM
I wet this again today. Yes. The way I have set up the problem doesn't make sense. I am looking for distance, not m minutes.So the 30 shouldn't ...
30 replies | 1170 view(s)
• 05-11-2018, 02:03 AM
It is 1 oclock in the morning and I am not up to understanding this right now. I will have to look at it again in the morning. I can say right now...
30 replies | 1170 view(s)
• 05-11-2018, 02:00 AM
Well, it means that the guy walked 3 miles an hour for 1/12th of an hour--accoding to the working out of the equation. So he walked, what? 1/4th of a...
30 replies | 1170 view(s)
• 05-11-2018, 01:56 AM
they should be minutes, no? 3 miles for so many minutes. 6 miles for so many minutes. And 30 means thirty minutes. The reason I used .05x is that...
30 replies | 1170 view(s)
• 05-10-2018, 07:34 PM
Here is the problem: 29. A person walked from home at the rate of three miles per hour (mph), and then ran home along the same route at 6 mph....
30 replies | 1170 view(s)
• 05-01-2018, 06:50 PM
thanks for checking it. I guess this venture is just seriously in a squeeze due to the tiny seating capacity of the theater.
5 replies | 308 view(s)
• 04-30-2018, 07:24 PM
A regional theater sells advance tickets for 10$and at the door tickets for 15$. The theater has 100 seats. They have to sell 1200\$ worth of tickets...
5 replies | 308 view(s)
• 04-27-2018, 02:31 PM
I certainly deserve to.
15 replies | 655 view(s)
• 04-27-2018, 02:30 PM
yes, I see that. I distributed as though the brackets were there. I will be more careful with this because it is where I often go astray. I'm knot...
15 replies | 655 view(s)
• 04-26-2018, 02:42 PM
I worked on this again today and after a few more false starts I think I found where I was going wrong--almost everywhere! Here is how I finally...
15 replies | 655 view(s)
• 04-26-2018, 02:40 PM
Yes, this will work. I came upon this before I read your post today so I know this is right from the ground up, so to speak. I was making all kinds...
15 replies | 655 view(s)
• 04-26-2018, 02:02 AM
I'm afraid I read the problem wrong...it says: in 7 years the mom will be twice the age that her daughter WILL have then. So...I will have to come...
15 replies | 655 view(s)
• 04-26-2018, 01:58 AM
Thanks for the tips. I will go back at this tomorrow and report back.
15 replies | 655 view(s)
• 04-26-2018, 01:58 AM
I have tried this and I get this: x-3y=0 x-2y=0 An impossible situation. No?
15 replies | 655 view(s)
• 04-25-2018, 07:51 PM
I just reread the problem and I think I may have misread. I am going to rework the problem now and get right back. no. I still don't come out...
15 replies | 655 view(s)
• 04-25-2018, 07:48 PM
I spend most of an hour today trying to get a plausible solution to this problem to no avail: 7 years ago a daughter was 1/3rd as old as her mom was...
15 replies | 655 view(s)
• 04-23-2018, 10:32 PM
yes, that is the procedure I followed...but no amount of correct procedure will save a bad reading of the problem. Well, wait til next time...as we...
4 replies | 206 view(s)
• 04-23-2018, 10:28 PM
Oh boy! I must have read that problem 4 times and didn't catch that! haha. Well, hopefully, that's one fast one that won't be pulled on me...
4 replies | 206 view(s)
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