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The ratio is the same, but the total is different.
Right. With that same ratio of 3:7 what would the answer be for a total of 70 tins ?
Yes that is correct. Well done.
The bit that you have done is correct. I was intending that you would then multiply this scaling factor by the two numbers in the ratio.
So 3 x 10 = 30
and 7 x 10 = 70
So for 100 tins you would have 30 yellow and 70 blue. A quick check would be 30 + 70 = 100 to see that it adds up to 100.
If percentages are needed then they would be 30% yellow and 70% blue.
Can you see what the answer would be for a total of only 50 tins of paint?
I am not sure whether I am going out during the morning and afternoon.
So I think the evening would be best. Would 7:30pm be okay?
On the other hand you often have to dash off in the evening so there probably will be a chance to discuss something earlier.
Hi Mandy. I am now online ...
I have replied to the email.
Hi Mandy. I know that we agreed on a start time of 7:30pm, but do you want to go through one now?
If so which one?
Okay I will send you an email shortly about homework etc. Bye
Right. On your computer do you know how to load up "Notepad" or "Microsoft Word" ?
I have a start button in the far bottom left corner. When I click the left mouse button a menu comes up and there are commonly used
programs there to load as well as an option for "All Programs". Is it like that on your machine ?
Of course you have to find a method that suits you. I think it may be best to use some A4 paper and keep it in a ring binder.
I will be in at 7pm so that is probably okay, but I might be a little late getting started, but yes I think that is possible.
I think you mean "keep notes". I think for now you need to concentrate on understanding it.
Did you mean that you wanted me to guide you through setting up making notes in a Notepad or Word document ?
You do not need any equipment.
I think one important bit of homework would be to have a go at the problem we have just looked at try to understand it and
try to get an answer to the above post #904.
I can make up some similar questions if you like and post or email them. Do you want me to do that ?
Also tommorow I can meet up at a particular time. What time is best with you ?
Okay look at it this way:
4 red ----------------> Multiply by 10 -----------------> ..... ?
6 blue ---------------> Multiply by 10 -----------------> ..... ?
So we have to scale the number of tins up by a factor of 10. Do you want to try again with that information?
Remember the ratio is 2:3
For every 2 tins of red there are 3 tins of blue. What percentage are red? What percentage are blue ?
At one stage we concluded that for 10 tins we had to have 4 red and 6 blue.
Do you want me to give you the answer to that one or shall I leave you to think about it for longer ?
Edit: No 100% is not correct. Try again.
Your answer in post number #896 was correct by the way well done. You may find it easier for the percentages question to go
back to the total being 10 and do something to those figures ???
Hint multiply by a scaling factor to get a total of 100 tins ?
Sorry about that you submitted your answer before I submitted my post and things got confusing ...
Another question to do with this:
What percentage of tins are red ?
What percentgae of tins are blue ?
Are these always the same if the ratio is 2:3 ?
Edit: Sorry about that your answer is correct well done.
Can you interpret your answer in terms of:
tins of red = ...
tins of blue = ... ?
Mandy: suppose you needed 15 tins of paint in total with the same ratio of 2:3 what would the numbers be this time?
Edit: What is the scaling factor this time ?
Mandy: I was trying to get you to see that if we have 10 tins of paint in total then we need 2 x 2 = 4 tins of red paint
and 3 x 2 = 6 lots of blue paint. Have a look at that and see if you can see what I mean about the "ratio" being 2:3 ???
Mathgogocart: Hello there. I am not sure which bit/bits of that are the "same" I think you probably mean the last bit about getting
in a muddle with Latex if you are in a hurry ???
Can you now see from post number 887 how to get a value for the number of tins of red and blue paint to make 10 tins in total?
No the point I was getting at was that in order to get from a total of 5 to a total of 10 we have to multiply by 2.
Do you see what I mean ? The ratio was 2 lots of red to 3 lots of blue suggesting a total of 5 units.
We need to double this amount to get to 10. We could have done 10 divided by 5 to get this result.
No. That is not correct. Can you see what scaling factor is needed to get from a total of 5 to a total of 10 ?